Macros in bsd/miscfs/union

• FIXUP bsd/miscfs/union/union_vnops.c:79
• LOWERVP bsd/miscfs/union/union.h:145
• MOUNTTOUNIONMOUNT bsd/miscfs/union/union.h:142
• OTHERVP bsd/miscfs/union/union.h:147
• UNION_HASH bsd/miscfs/union/union_subr.c:85
• UNIONTOV bsd/miscfs/union/union.h:144
• UPPERVP bsd/miscfs/union/union.h:146
• VTOUNION bsd/miscfs/union/union.h:143