Extend Microsoft specific predefined macros from Win32 to Win64
Extend Microsoft specific predefined macros from Win32 to Win64

school510587/libchewing-phoneless,Chocobo1/libchewing,robert501128/libchewing,yan12125/libchewing,Seachaos/libchewing,bbyykk/libtaigi,PingNote/libchewing,school510587/phlcw130202,czchen/libchewing,PeterDaveHello/libchewing,simonfork/libchewing,dimotsai/libchewing,bbyykk/libtaigi,kito-cheng/libchewing,mangokingTW/libchewing,Seachaos/libchewing,czchen/libchewing,cwlin/libchewing,chewing/libchewing,school510587/libchewing-phoneless,kito-cheng/libchewing,ShengYenPeng/libchewing,school510587/phlcw130202,simonfork/libchewing,hiunnhue/libchewing,robert501128/libchewing,yan12125/libchewing,school510587/libchewing-old,mangokingTW/libchewing,bbyykk/libtaigi,cwlin/libchewing,school510587/libchewing-old,school510587/general_index_libchewing,ShengYenPeng/libchewing,dimotsai/libchewing,hiunnhue/libchewing,Seachaos/libchewing,school510587/phlcw130202,school510587/phlcw130202,school510587/general_index_libchewing,school510587/libchewing-phoneless,Chocobo1/libchewing,hiunnhue/libchewing,robert501128/libchewing,cwlin/libchewing,robert501128/libchewing,cwlin/libchewing,mangokingTW/libchewing,Seachaos/libchewing,hiunnhue/libchewing,cwlin/libchewing,PeterDaveHello/libchewing,PeterDaveHello/libchewing,school510587/libchewing-old,yan12125/libchewing,dimotsai/libchewing,hiunnhue/libchewing,ShengYenPeng/libchewing,chewing/libchewing,Chocobo1/libchewing,simonfork/libchewing,school510587/libchewing-old,bbyykk/libtaigi,Seachaos/libchewing,czchen/libchewing,czchen/libchewing,dimotsai/libchewing,bbyykk/libtaigi,kito-cheng/libchewing,school510587/general_index_libchewing,school510587/libchewing-old,school510587/libchewing-phoneless,chewing/libchewing,school510587/phlcw130202,kito-cheng/libchewing,school510587/general_index_libchewing,mangokingTW/libchewing,PingNote/libchewing,school510587/libchewing-phoneless,Chocobo1/libchewing,yan12125/libchewing,PingNote/libchewing,Chocobo1/libchewing,chewing/libchewing,ShengYenPeng/libchewing,simonfork/libchewing,PeterDaveHello/libchewing,PingNote/libchewing