Makefile.utl bit

change the way makedefs doesn't depend on mdgrep.h so running mdgrep.pl
_will_ cause makedefs to get rebuilt.
Keni

sys/unix/Makefile.utl

@@ -178,7 +178,7 @@ YACCDIST =
 
 #	dependencies for makedefs
 #
-makedefs:	$(MAKEOBJS) #mdgrep.h
+makedefs:	$(MAKEOBJS) mdgrep.h
 	$(CC) $(LFLAGS) -o makedefs $(MAKEOBJS)
 
 makedefs.o: makedefs.c $(CONFIG_H) ../include/permonst.h \
@@ -187,8 +187,8 @@ makedefs.o: makedefs.c $(CONFIG_H) ../include/permonst.h \
 		../include/monst.h ../include/you.h ../include/flag.h \
 		../include/dlb.h ../include/patchlevel.h ../include/qtext.h
 
-# Don't require perl to build; that is why mdgrep.h is commented out above.
-mdgrep.h: mdgrep.pl
+# Don't require perl to build; that is why mdgrep.h is spelled wrong below.
+mdgreph: mdgrep.pl
 	perl mdgrep.pl
 
 ../include/onames.h: makedefs