Defines starting with `g' in src/gui-sdl

• GDLG_ALL src/gui-sdl/dlgGraphics.c:23
• GDLG_BOARD0 src/gui-sdl/dlgGraphics.c:18
• GDLG_BOARD1 src/gui-sdl/dlgGraphics.c:19
• GDLG_BOARD2 src/gui-sdl/dlgGraphics.c:20
• GDLG_COLOR src/gui-sdl/dlgGraphics.c:22
• GDLG_DISPLAY src/gui-sdl/dlgGraphics.c:24
• GDLG_EXIT src/gui-sdl/dlgGraphics.c:25
• GDLG_MONOCHROME src/gui-sdl/dlgGraphics.c:21
• GUI_SAVE_MEMORY src/gui-sdl/dlgMemory.c:15