[gnome-builder] hover: don't leak providers in hover context

[Christian Hergert <chergert src gnome org>]

commit 360da03045f26e33dce7f6f70e81adb7951d0725
Author: Christian Hergert <chergert redhat com>
Date:   Sat Jul 28 02:06:02 2018 -0700

    hover: don't leak providers in hover context

 src/libide/hover/ide-hover-context.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/libide/hover/ide-hover-context.c b/src/libide/hover/ide-hover-context.c
index b71b3fb18..7490051f7 100644
--- a/src/libide/hover/ide-hover-context.c
+++ b/src/libide/hover/ide-hover-context.c
@@ -63,6 +63,7 @@ ide_hover_context_dispose (GObject *object)
   IdeHoverContext *self = (IdeHoverContext *)object;
 
   g_clear_pointer (&self->content, g_array_unref);
+  g_clear_pointer (&self->providers, g_ptr_array_unref);
 
   G_OBJECT_CLASS (ide_hover_context_parent_class)->dispose (object);
 }