Add missing punctuation to message (PR driver/79875)

gcc/ChangeLog:
	PR driver/79875
	* opts.c (parse_sanitizer_options): Add missing question mark to
	"did you mean" message.

From-SVN: r246047

gcc/ChangeLog

+2017-03-10  David Malcolm  <dmalcolm@redhat.com>
+
+	PR driver/79875
+	* opts.c (parse_sanitizer_options): Add missing question mark to
+	"did you mean" message.
+
 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	* config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned

gcc/opts.c

@@ -1640,7 +1640,7 @@ parse_sanitizer_options (const char *p, location_t loc, int scode,
 	  if (hint)
 	    error_at (loc,
 		      "unrecognized argument to -f%ssanitize%s= option: %q.*s;"
-		      " did you mean %qs",
+		      " did you mean %qs?",
 		      value ? "" : "no-",
 		      code == OPT_fsanitize_ ? "" : "-recover",
 		      (int) len, p, hint);