Fix typos.

From-SVN: r3418

gcc/Makefile.in

@@ -1313,14 +1313,14 @@ stmp-headers: stmp-fixincludes $(USER_H) gvarargs.h gstdarg.h gstddef.h gsyslimi
 stmp-fixincludes: $(srcdir)/$(FIXINCLUDES)
 	rm -rf include
 	mkdir include
-	if [ $(FIXINCLUDES) != Makefile.in ] \
+	if [ x$(FIXINCLUDES) != xMakefile.in ]; \
 	then \
 	  for dir in $(SYSTEM_HEADER_DIR) $(OTHER_FIXINCLUDES_DIRS); do \
 	    if [ -d $$dir ]; \
 	    then \
 	      $(srcdir)/$(FIXINCLUDES) include $$dir $(srcdir); \
 	    else true; fi; \
-	  done \
+	  done; \
 	else true; \
 	fi
 	touch stmp-fixincludes