entrycompletion: Use GSignalGroup on the entry's buffer

We connect to the inserted-text signal for the entry's buffer.
During the lifetime of the entry, the buffer changes.  This is
literally the example used for GSignalGroup in the docs.

1 files changed, 2 insertions, 1 deletions

diff --git a/gtk/gtkentryprivate.h b/gtk/gtkentryprivate.h
index f6773aaec6..673aac942b 100644
--- a/gtk/gtkentryprivate.h
+++ b/gtk/gtkentryprivate.h
@@ -61,7 +61,8 @@ struct _GtkEntryCompletion
 
   gulong completion_timeout;
   gulong changed_id;
-  gulong insert_text_id;
+
+  GSignalGroup *insert_text_signal_group;
 
   int current_selected;