[jds-review] Fix for 6768146

[Rohini]

CR: gnome screenshot refuses to allow different dir unless mouse is used

Description:
Added a check to verify if filename is absolute and ignoring folder if 
absolute path is specified.

Fix:
diff -urN gnome-utils-2.25.90.orig/gnome-screenshot/screenshot-dialog.c 
gnome-utils-2.25.90/gnome-screenshot/screenshot-dialog.c
--- gnome-utils-2.25.90.orig/gnome-screenshot/screenshot-dialog.c       
2009-03-06 11:04:59.021848933 +0530
+++ gnome-utils-2.25.90/gnome-screenshot/screenshot-dialog.c    
2009-03-06 11:57:56.734246867 +0530
@@ -356,6 +356,26 @@
       tmp = g_strdup (_("Screenshot.png"));
     }

+  if (g_path_is_absolute(tmp))
+  {
+       error = NULL;
+       folder = g_filename_to_uri (g_path_get_dirname (tmp), NULL, &error);
+       if (error)
+       {
+               g_warning ("Unable to convert `%s' to valid UTF-8: %s\n"
+                          "Falling back to default file.",
+                          folder,
+                          error->message);
+               g_error_free (error);
+               folder = gtk_file_chooser_get_current_folder_uri 
(GTK_FILE_CHOOSER (dialog->save_widget));
+               tmp = g_strdup (_("Screenshot.png"));
+
+       }
+       else
+               tmp = g_path_get_basename (tmp);
+
+  }
+
   file = g_uri_escape_string (tmp, NULL, FALSE);
   uri = g_build_filename (folder, file, NULL);