[libdazzle] suggestions: set type-hint for popover

[Christian Hergert <chergert src gnome org>]

commit 184cfac061ef5dd3de3d975bb0f230e8217c3997
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jan 22 08:48:54 2019 -0800

    suggestions: set type-hint for popover
    
    This makes things a bit more like GtkComboBox.

 src/suggestions/dzl-suggestion-entry.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/suggestions/dzl-suggestion-entry.c b/src/suggestions/dzl-suggestion-entry.c
index fc67fc4..a6d6861 100644
--- a/src/suggestions/dzl-suggestion-entry.c
+++ b/src/suggestions/dzl-suggestion-entry.c
@@ -638,6 +638,7 @@ dzl_suggestion_entry_init (DzlSuggestionEntry *self)
                                 "modal", FALSE,
                                 "relative-to", self,
                                 "type", GTK_WINDOW_POPUP,
+                                "type-hint", GDK_WINDOW_TYPE_HINT_COMBO,
                                 NULL);
   g_signal_connect_object (priv->popover,
                            "notify::selected",