Variables starting with `i' in src/od-amiga

• ievent_alive src/od-amiga/ami-win.c:283
• IntuitionBase src/od-amiga/ami-win.c:222
• inwindow src/od-amiga/ami-win.c:214
• is_halfbrite src/od-amiga/ami-win.c:246
• is_ham src/od-amiga/ami-win.c:247
• ixemul_dev_path src/od-amiga/ami-disk.c:66