Macros in bsd/miscfs/union

• FIXUP bsd/miscfs/union/union_vnops.c:81
• LOWERVP bsd/miscfs/union/union.h:148
• MOUNTTOUNIONMOUNT bsd/miscfs/union/union.h:145
• OTHERVP bsd/miscfs/union/union.h:150
• UNION_HASH bsd/miscfs/union/union_subr.c:88
• UNIONTOV bsd/miscfs/union/union.h:147
• UPPERVP bsd/miscfs/union/union.h:149
• VTOUNION bsd/miscfs/union/union.h:146