Port to GTK+2. From Gentoo.

--- callbacks.c.orig	Fri Jan 29 15:42:32 2010
+++ callbacks.c	Fri Jan 29 15:43:03 2010
@@ -236,7 +236,7 @@ void sethash(unsigned short new)
 }
 
 
-void focus(GtkWidget *widget, gpointer data)
+gboolean focus(GtkWidget *widget, GdkEvent *event, gpointer data)
 {
 
 	static GdkAtom targets;
@@ -244,12 +244,12 @@ void focus(GtkWidget *widget, gpointer data)
 
 
 	if (!autopaste)
-		return;
+		return FALSE;
 
 	targets = gdk_atom_intern("STRING", FALSE);
 
 	gtk_selection_convert(widget, GDK_SELECTION_PRIMARY, targets,
 			      GDK_CURRENT_TIME);
 
-
+	return FALSE;
 }