FTBFS qttools

[1855/1934] Building CXX object qttools/src/assistant/qlitehtml/src/3rdparty/litehtml/CMakeFiles/litehtml.dir/src/num_cvt.cpp.o
FAILED: qttools/src/assistant/qlitehtml/src/3rdparty/litehtml/CMakeFiles/litehtml.dir/src/num_cvt.cpp.o 
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In file included from /root/.conan/data/qt/6.2.0/_/_/source/qt6/qttools/src/assistant/qlitehtml/src/3rdparty/litehtml/src/num_cvt.cpp:3:
/root/.conan/data/qt/6.2.0/_/_/source/qt6/qttools/src/assistant/qlitehtml/src/3rdparty/litehtml/include/litehtml/utf8_strings.h:8:9: error: ‘byte’ does not name a type
    8 |   const byte* m_utf8;
      |         ^~~~
/root/.conan/data/qt/6.2.0/_/_/source/qt6/qttools/src/assistant/qlitehtml/src/3rdparty/litehtml/include/litehtml/utf8_strings.h:17:3: error: ‘ucode_t’ does not name a type; did you mean ‘mode_t’?
   17 |   ucode_t getb()
      |   ^~~~~~~
      |   mode_t
/root/.conan/data/qt/6.2.0/_/_/source/qt6/qttools/src/assistant/qlitehtml/src/3rdparty/litehtml/include/litehtml/utf8_strings.h:22:3: error: ‘ucode_t’ does not name a type; did you mean ‘mode_t’?
   22 |   ucode_t get_next_utf8(ucode_t val)
      |   ^~~~~~~
      |   mode_t
/root/.conan/data/qt/6.2.0/_/_/source/qt6/qttools/src/assistant/qlitehtml/src/3rdparty/litehtml/include/litehtml/utf8_strings.h:26:3: error: ‘ucode_t’ does not name a type; did you mean ‘mode_t’?
   26 |   ucode_t get_char();
      |   ^~~~~~~
      |   mode_t