GDK-W32: remove trailing whitespace everywhere

gdk/win32/gdkwin32id.c

@@ -19,7 +19,7 @@
  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  * file for a list of people on the GTK+ Team.  See the ChangeLog
  * files for a list of changes.  These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  */
 
 #include "config.h"
@@ -76,6 +76,6 @@ gdk_win32_handle_table_lookup (HWND handle)
 
   if (handle_ht)
     data = g_hash_table_lookup (handle_ht, &handle);
-  
+
   return data;
 }