Fix bug with set_adjustment (viewport, NULL);

Sun Jun  8 11:27:29 2003  Owen Taylor  <otaylor@redhat.com>

        * gtk/gtkviewport.c (viewport_set_adjustment): Fix bug with
        set_adjustment (viewport, NULL);

ChangeLog

+Sun Jun  8 11:27:29 2003  Owen Taylor  <otaylor@redhat.com>
+
+	* gtk/gtkviewport.c (viewport_set_adjustment): Fix bug with 
+	set_adjustment (viewport, NULL);
+
 2003-06-07  Matthias Clasen  <maclas@gmx.de>
 
 	* gtk/gtkiconfactory.c (get_default_icons): 

ChangeLog.pre-2-10

+Sun Jun  8 11:27:29 2003  Owen Taylor  <otaylor@redhat.com>
+
+	* gtk/gtkviewport.c (viewport_set_adjustment): Fix bug with 
+	set_adjustment (viewport, NULL);
+
 2003-06-07  Matthias Clasen  <maclas@gmx.de>
 
 	* gtk/gtkiconfactory.c (get_default_icons): 

ChangeLog.pre-2-4

+Sun Jun  8 11:27:29 2003  Owen Taylor  <otaylor@redhat.com>
+
+	* gtk/gtkviewport.c (viewport_set_adjustment): Fix bug with 
+	set_adjustment (viewport, NULL);
+
 2003-06-07  Matthias Clasen  <maclas@gmx.de>
 
 	* gtk/gtkiconfactory.c (get_default_icons): 

ChangeLog.pre-2-6

+Sun Jun  8 11:27:29 2003  Owen Taylor  <otaylor@redhat.com>
+
+	* gtk/gtkviewport.c (viewport_set_adjustment): Fix bug with 
+	set_adjustment (viewport, NULL);
+
 2003-06-07  Matthias Clasen  <maclas@gmx.de>
 
 	* gtk/gtkiconfactory.c (get_default_icons): 

ChangeLog.pre-2-8

+Sun Jun  8 11:27:29 2003  Owen Taylor  <otaylor@redhat.com>
+
+	* gtk/gtkviewport.c (viewport_set_adjustment): Fix bug with 
+	set_adjustment (viewport, NULL);
+
 2003-06-07  Matthias Clasen  <maclas@gmx.de>
 
 	* gtk/gtkiconfactory.c (get_default_icons): 

gtk/gtkviewport.c

@@ -441,7 +441,7 @@ viewport_set_adjustment (GtkViewport    *viewport,
   GtkAdjustment **adjustmentp = ADJUSTMENT_POINTER (viewport, orientation);
   gboolean value_changed;
 
-  if (adjustment == *adjustmentp)
+  if (adjustment && adjustment == *adjustmentp)
     return;
 
   if (!adjustment)