[glib-networking] Another code style fix

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 8c2183b28868191aef2519ef5c8ff8ca15e3f4d4
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sun Feb 25 12:44:06 2018 -0600

    Another code style fix

 tls/tests/connection.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tls/tests/connection.c b/tls/tests/connection.c
index b713623..235c056 100644
--- a/tls/tests/connection.c
+++ b/tls/tests/connection.c
@@ -2109,7 +2109,7 @@ main (int   argc,
   g_test_add ("/tls/connection/fallback", TestConnection, NULL,
               setup_connection, test_fallback, teardown_connection);
 
-  ret = g_test_run();
+  ret = g_test_run ();
 
   /* for valgrinding */
   g_main_context_unref (g_main_context_default ());