Add const qualifier for keybuf[] & chibuf[] in SpecialSymbolInput()
Add const qualifier for keybuf[] & chibuf[] in SpecialSymbolInput()

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