Defines in src/md-i386-watcom

• CFLG src/md-i386-watcom/m68k.h:25
• NFLG src/md-i386-watcom/m68k.h:24
• VFLG src/md-i386-watcom/m68k.h:26
• XFLG src/md-i386-watcom/m68k.h:27
• ZFLG src/md-i386-watcom/m68k.h:23