Defines starting with `a' in pexpert/i386

• ALT_STATE pexpert/i386/kd.h:403
• ATTR_BOLD pexpert/i386/video_console.c:108
• ATTR_NONE pexpert/i386/video_console.c:107
• ATTR_REVERSE pexpert/i386/video_console.c:110
• ATTR_UNDER pexpert/i386/video_console.c:109