[epiphany] view-source-handler: Fix misuse of GCancellable

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 69347119711f33ba3d96a13f994b6d420e7d6963
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Nov 1 18:56:52 2016 -0500

    view-source-handler: Fix misuse of GCancellable

 embed/ephy-view-source-handler.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/embed/ephy-view-source-handler.c b/embed/ephy-view-source-handler.c
index 6296c83..8aefb91 100644
--- a/embed/ephy-view-source-handler.c
+++ b/embed/ephy-view-source-handler.c
@@ -282,12 +282,19 @@ ephy_view_source_request_start (EphyViewSourceRequest *request)
 }
 
 static void
+cancel_outstanding_request (EphyViewSourceRequest *request)
+{
+  g_cancellable_cancel (request->cancellable);
+}
+
+static void
 ephy_view_source_handler_dispose (GObject *object)
 {
   EphyViewSourceHandler *handler = EPHY_VIEW_SOURCE_HANDLER (object);
 
   if (handler->outstanding_requests) {
-    g_list_free_full (handler->outstanding_requests, (GDestroyNotify)ephy_view_source_request_free);
+    g_list_foreach (handler->outstanding_requests, (GFunc)cancel_outstanding_request, NULL);
+    g_list_free (handler->outstanding_requests);
     handler->outstanding_requests = NULL;
   }