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

• intena src/od-amiga/amiga-kludges.h:23
• intenar src/od-amiga/amiga-kludges.h:88
• intreq src/od-amiga/amiga-kludges.h:24
• intreqr src/od-amiga/amiga-kludges.h:90