Free allocated pointer to curl stream on error

src/curl_stream.c

@@ -207,11 +207,14 @@ int git_curl_stream_new(git_stream **out, const char *host, const char *port)
 	handle = curl_easy_init();
 	if (handle == NULL) {
 		giterr_set(GITERR_NET, "failed to create curl handle");
+		git__free(st);
 		return -1;
 	}
 
-	if ((error = git__strtol32(&iport, port, NULL, 10)) < 0)
+	if ((error = git__strtol32(&iport, port, NULL, 10)) < 0) {
+		git__free(st);
 		return error;
+	}
 
 	curl_easy_setopt(handle, CURLOPT_URL, host);
 	curl_easy_setopt(handle, CURLOPT_ERRORBUFFER, st->curl_error);