$NetBSD: patch-aa,v 1.3 2015/12/29 23:34:52 dholland Exp $

Have yacc actually produce y.tab.h.

--- src/objc/Makefile.in.orig	2002-05-18 20:57:50.000000000 +1000
+++ src/objc/Makefile.in
@@ -79,7 +79,7 @@ POSTLINKFILES=\
 	-$(RM) $*.m
 
 .ym.$(OBJSUFFIX):
-	$(YACC) $*.ym
+	$(YACC) -d $*.ym
 	-$(CP) $(YTABH) $*.h
 	-$(CP) $(YTABC) $*.m
 	$(OBJC) -c $(MMFLAGS) $(IFLAGS) $*.m