fix compiling in 32-bit mode

macosx/Controller.h

@@ -57,6 +57,7 @@ typedef enum
     
     PrefsController                 * fPrefsController;
     InfoWindowController            * fInfoController;
+    MessageWindowController         * fMessageController;
     
     NSUserDefaults                  * fDefaults;
     

macosx/Controller.m

@@ -157,6 +157,7 @@ static void sleepCallback(void * controller, io_service_t y, natural_t messageTy
 
 @implementation Controller
 
+#warning remove ivars in header when 64-bit only (or it compiles in 32-bit mode)
 @synthesize messageWindowController = fMessageController;
 
 + (void) initialize