message: adding static gcc
diff: @@ -51,7 +51,7 @@ win32:QMAKE_LFLAGS += -Wl,--dynamicbase -Wl,--nxcompat
  # on Windows: enable GCC large address aware linker flag
  win32:QMAKE_LFLAGS += -Wl,--large-address-aware
  # i686-w64-mingw32
  -win32:QMAKE_LFLAGS += -Bstatic -lstdc++ -lpthread
  +win32:QMAKE_LFLAGS += -static-libgcc -Bstatic -lstdc++ -lpthread
  # use: qmake "USE_QRCODE=1"
  # libqrencode (http://fukuchi.org/works/qrencode/index.en.html) must be installed for support
  