[epiphany] uri-tester: unref load_loap only if nonnull

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 60b68ef7e9767471ff5c26b25f052270b76e1bca
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Dec 28 16:24:34 2016 -0600

    uri-tester: unref load_loap only if nonnull
    
    It's possible the URI tester was never loaded

 embed/web-extension/ephy-uri-tester.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/embed/web-extension/ephy-uri-tester.c b/embed/web-extension/ephy-uri-tester.c
index 453909f..d477d62 100644
--- a/embed/web-extension/ephy-uri-tester.c
+++ b/embed/web-extension/ephy-uri-tester.c
@@ -807,7 +807,8 @@ ephy_uri_tester_finalize (GObject *object)
   g_regex_unref (tester->regex_subdocument);
   g_regex_unref (tester->regex_frame_add);
 
-  g_main_loop_unref (tester->load_loop);
+  if (tester->load_loop)
+    g_main_loop_unref (tester->load_loop);
 
   G_OBJECT_CLASS (ephy_uri_tester_parent_class)->finalize (object);
 }