--- a/src/gtkui/gtkui.h	Thu Aug 28 01:39:51 2008 +0000
+++ b/src/gtkui/gtkui.h	Mon Oct 20 06:11:10 2008 +0000
@@ -86,8 +86,8 @@
 
 
 typedef gboolean (*file_callback_t)( const gchar *filename );
-void open_file_dialog( char *title, file_callback_t action, char *pattern, char *patname,
-                       gchar const *initial_dir );
+void open_file_dialog( const char *title, file_callback_t action, const char *pattern, const char *patname,
+                       const gchar *initial_dir );
 /**
  * Extract the keyval of the key event if no modifier keys were pressed -
  * in other words get the keyval of the key by itself. The other way around