Avoid crashing when installing a duplicate translation path with a lower cost.

(closes issue #17092)
Reported by: moy
Patches:
      translate.rev254273.patch uploaded by moy (license 222)
Tested by: moy


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@277143 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/translate.c

@@ -652,6 +652,7 @@ int __ast_register_translator(struct ast_translator *t, struct ast_module *mod)
 		    (u->cost > t->cost)) {
 			AST_RWLIST_INSERT_BEFORE_CURRENT(t, list);
 			t = NULL;
+			break;
 		}
 	}
 	AST_RWLIST_TRAVERSE_SAFE_END;