remote: merge if-statements

We need a repo/config and a name to be able to do anything to the configuration. As such, those two tests can be merged so their conditions are shared.

src/remote.c

@@ -264,11 +264,10 @@ static int create_internal(git_remote **out, git_repository *repo, const char *n
 		if ((error = add_refspec(remote, fetch, true)) < 0)
 			goto on_error;
 
-		/* only write for non-anonymous remotes */
-		if (repo && name && (error = write_add_refspec(repo, name, fetch, true)) < 0)
-			goto on_error;
-
-		if (repo && (error = lookup_remote_prune_config(remote, config_ro, name)) < 0)
+		/* only write for named remotes with a repository */
+		if (repo && name &&
+		    ((error = write_add_refspec(repo, name, fetch, true)) < 0 ||
+		    (error = lookup_remote_prune_config(remote, config_ro, name)) < 0))
 			goto on_error;
 
 		/* Move the data over to where the matching functions can find them */