Variables starting with `s' in src/od-macos

• screenH src/od-macos/mac.c:73
• screenV src/od-macos/mac.c:73
• SFData src/od-macos/mac.c:1155
• sFlag src/od-macos/sound.h:20
• Share_FilterAllFiles_UPP src/od-macos/mac.c:1175
• Share_MyDlgHook_UPP src/od-macos/mac.c:1176
• Share_MyModalFilter_UPP src/od-macos/mac.c:1177
• sndbufpt src/od-macos/sound.c:26
• sndbufsize src/od-macos/sound.c:23