Be a bit more liberal

servers/slapd/schemaparse.c

@@ -273,8 +273,9 @@ parse_at(
  	 */
 	for (; argv[3]; argv++)
 	{
-		if (!strcasecmp(argv[3], "syntax") &&
-		    !OID_LEADCHAR(*argv[4]))
+		/* Allow numeric OIDs to be wrapped in single quotes */
+		if (!strcasecmp(argv[3], "syntax") && argv[4] != NULL &&
+		    !OID_LEADCHAR(argv[4][argv[4][0] == '\'' ? 1 : 0]))
 		{
 			int slen;
 			Syntax *syn;