Fix deadlock when unloading res_http_post because the uris lock was still locked.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@134253 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/http.c

@@ -391,6 +391,7 @@ void ast_http_uri_unlink_all_with_key(const char *key)
 		}
 	}
 	AST_RWLIST_TRAVERSE_SAFE_END
+	AST_RWLIST_UNLOCK(&uris);
 }
 
 /*