qtconnectivity: build fails on gcc 11.0.1

[ 56%] Building CXX object CMakeFiles/fishlib.dir/src/history.cpp.o
/usr/bin/g++ -DBINDIR=L\"/usr/bin\" -DCMAKE_BINARY_DIR=\"/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/x86_64-redhat-linux-gnu\" -DCMAKE_SOURCE_DIR=\"/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2\" -DDATADIR=L\"/usr/share\" -DDOCDIR=L\"/usr/share/doc/fish\" -DLOCALEDIR=\"/usr/share/locale\" -DPREFIX=L\"/usr\" -DSYSCONFDIR=L\"/etc\" -D_REENTRANT -D_UNICODE=1 -I/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/x86_64-redhat-linux-gnu -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -flto=auto -flto-partition=none -fdata-sections -ffunction-sections -fno-rtti -fno-exceptions -DHAVE_NCURSES_H -Wall -Wextra -Wno-implicit-fallthrough -Wno-comment -Wno-address -Wno-strict-aliasing -Wno-redundant-move  -O2 -g  -fno-exceptions -pthread -std=gnu++11 -o CMakeFiles/fishlib.dir/src/history.cpp.o -c /home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/history.cpp
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp: In function 'int builtin_set_color(parser_t&, io_streams_t&, wchar_t**)':
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:183:9: error: 'cur_term' was not declared in this scope
  183 |     if (cur_term == nullptr || !exit_attribute_mode) {
      |         ^~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:183:33: error: 'exit_attribute_mode' was not declared in this scope
  183 |     if (cur_term == nullptr || !exit_attribute_mode) {
      |                                 ^~~~~~~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:188:17: error: 'enter_bold_mode' was not declared in this scope
  188 |     if (bold && enter_bold_mode) {
      |                 ^~~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:192:22: error: 'enter_underline_mode' was not declared in this scope
  192 |     if (underline && enter_underline_mode) {
      |                      ^~~~~~~~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:196:20: error: 'enter_italics_mode' was not declared in this scope
  196 |     if (italics && enter_italics_mode) {
      |                    ^~~~~~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:200:16: error: 'enter_dim_mode' was not declared in this scope
  200 |     if (dim && enter_dim_mode) {
      |                ^~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:204:20: error: 'enter_reverse_mode' was not declared in this scope
  204 |     if (reverse && enter_reverse_mode) {
      |                    ^~~~~~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:206:27: error: 'enter_standout_mode' was not declared in this scope
  206 |     } else if (reverse && enter_standout_mode) {
      |                           ^~~~~~~~~~~~~~~~~~~
In file included from /home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:29:
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:211:45: error: 'exit_attribute_mode' was not declared in this scope
  211 |         writembs_nofail(outp, tparm((char *)exit_attribute_mode));
      |                                             ^~~~~~~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/output.h:109:60: note: in definition of macro 'writembs_nofail'
  109 | #define writembs_nofail(outp, mbs) writembs_check((outp), (mbs), #mbs, false, __FILE__, __LINE__)
      |                                                            ^~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/builtin_set_color.cpp:216:49: error: 'exit_attribute_mode' was not declared in this scope
  216 |             writembs_nofail(outp, tparm((char *)exit_attribute_mode));
      |                                                 ^~~~~~~~~~~~~~~~~~~
/home/tkloczko/rpmbuild/BUILD/fish-shell-3.1.2/src/output.h:109:60: note: in definition of macro 'writembs_nofail'
  109 | #define writembs_nofail(outp, mbs) writembs_check((outp), (mbs), #mbs, false, __FILE__, __LINE__)
      |                                                            ^~~
^Cgmake[2]: *** Deleting file 'CMakeFiles/fishlib.dir/src/history.cpp.o'
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