[gnome-builder] context: force dispose in unload_finish

[Christian Hergert <chergert src gnome org>]

commit 4ed41c054b1cab924ef6a9e18492b28a6bf132f5
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 30 17:29:46 2018 -0700

    context: force dispose in unload_finish
    
    This just helps us ensure we drop a few more references as we do the
    cleanup procedure.

 src/libide/ide-context.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/libide/ide-context.c b/src/libide/ide-context.c
index 7084a3685..5c1f50033 100644
--- a/src/libide/ide-context.c
+++ b/src/libide/ide-context.c
@@ -2254,6 +2254,8 @@ ide_context_unload_finish (IdeContext    *self,
 
   ret = ide_task_propagate_boolean (IDE_TASK (result), error);
 
+  g_object_run_dispose (G_OBJECT (self));
+
   IDE_RETURN (ret);
 }