Dasher freeze break request

[Matthew Garrett <mjg59 srcf ucam org>]

The attached patches to dasher fix one crash bug and clean up an obvious
error that could cause undefined behaviour. Bugzilla bugs are 168945 and
169458. 

Index: accessibility.cc
===================================================================
RCS file: /cvs/gnome/dasher/Src/Gtk2/accessibility.cc,v
retrieving revision 1.25
diff -u -p -r1.25 accessibility.cc
--- accessibility.cc	30 Jan 2005 15:53:34 -0000	1.25
+++ accessibility.cc	7 Mar 2005 19:08:43 -0000
@@ -455,6 +455,12 @@ ControlTree* buildwindowtree()
 
 	}
 	
+	if (tmptree->parent == NULL) {
+	  /* wnck didn't provide us with any windows */
+	  delete tmptree;
+	  return NULL;
+	}
+
 	tmptree->parent->next = NULL;
 	delete tmptree;
 	return firstchild;
Index: edit.cc
===================================================================
RCS file: /cvs/gnome/dasher/Src/Gtk2/edit.cc,v
retrieving revision 1.14
diff -u -p -r1.14 edit.cc
--- edit.cc	7 Mar 2005 18:36:06 -0000	1.14
+++ edit.cc	7 Mar 2005 19:08:43 -0000
@@ -421,7 +421,7 @@ void edit_delete_forward_character()
 #ifdef GNOME_A11Y
   if (textbox!=NULL) {
     int startpos=AccessibleText_getCaretOffset(textbox);
-    int endpos=endpos+1;      
+    int endpos=startpos+1;      
     AccessibleEditableText_deleteText(edittextbox,startpos,endpos);
   }
 #endif

-- 
Matthew Garrett | mjg59 srcf ucam org