Add back +initialize

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@14418 72102866-910b-0410-8b05-ffd578937521

Source/NSBrowser.m

@@ -1836,6 +1836,16 @@ static float scrollerWidth; // == [NSScroller scrollerWidth]
   [self sendAction: _doubleAction to: [self target]];
 }
 
++ (void)initialize
+{
+  if (self == [NSBrowser class])
+    {
+      // Initial version
+      [self setVersion: 1];
+      scrollerWidth = [NSScroller scrollerWidth];
+    }
+}
+
 /*
  * Override superclass methods
  */