* c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
        (init_lex): Initialize ridpointers[RID_BYREF].
        * c-lex.h (enum rid): Add RID_BYREF.
        * c-parse.gperf: Add RID_BYREF as a type qualifier.
        * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
        (encode_type_qualifiers): Similarly
        * c-gperf.h: Rebuilt.

From-SVN: r22918