Update and fix for bug #25004

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27257 72102866-910b-0410-8b05-ffd578937521

Source/NSKeyedUnarchiver.m

@@ -828,6 +828,10 @@ static NSMapTable	globalClassMap = 0;
   _delegate = delegate;		// Not retained.
 }
 
+- (NSInteger) versionForClassName: (NSString*)className
+{
+  return 0;	// Not used for keyed unarchiving.
+}
 @end
 
 @implementation NSObject (NSKeyedUnarchiverDelegate)