some cleanup

macosx/ActionPopUpButton.m

@@ -3,11 +3,6 @@
 
 @implementation ActionPopUpButton
 
-+ (Class) cellClass
-{
-	return [ActionPopUpButtonCell class];
-}
-
 - (id) initWithCoder: (NSCoder *) coder
 {
 	if (self = [super initWithCoder: coder])

macosx/ActionPopUpButtonCell.m

@@ -4,7 +4,7 @@
 
 - (id) initTextCell: (NSString *) string pullsDown: (BOOL) pullDown
 {
-	if (self = [super initTextCell: string pullsDown: YES])
+	if ((self = [super initTextCell: string pullsDown: YES]))
     {
         fImage = [NSImage imageNamed: @"ActionButton.png"];
         [fImage setFlipped: YES];