Defines starting with `a' in bsd/nfs

• AUTH_BADCRED bsd/nfs/rpcv2.h:106
• AUTH_BADVERF bsd/nfs/rpcv2.h:108
• AUTH_REJECTCRED bsd/nfs/rpcv2.h:107
• AUTH_REJECTVERF bsd/nfs/rpcv2.h:109
• AUTH_TOOWEAK bsd/nfs/rpcv2.h:110