qapplication_s60.cpp fails to compile on top of public Belle SDK 0.6

qapplication_s60.cpp has dependency to graphics/wstfxconst.h which is not part of public Belle SDK 0.6

"/home/liangqi/qt/work/src/gui/kernel/qapplication_s60.cpp", line 92: Error: #5: cannot open source input file "graphics/wstfxconst.h": No such file or directory
#include <graphics/wstfxconst.h>
^
make[1]: *** [.obj/debug-shared/qapplication_s60.o] Error 1
make[1]: Leaving directory `/home/liangqi/build/s3-armcc/src/gui'
make: *** [sub-gui-make_default] Error 2