Reintroduce warning for incorrectly calling fullPathForFilename instead of just ignoring it

Author: charliewilliams

cocos2d/Support/CCFileUtils.m

@@ -480,12 +480,10 @@ -(NSString*) fullPathForFilename:(NSString*)filename contentScale:(CGFloat *)con
 	if(!contentScale) contentScale = &_contentScale;
 
 	// fullpath? return it
-//	if ([filename isAbsolutePath]) {
-//		CCLOGWARN(@"cocos2d: WARNING fullPathForFilename:resolutionType: should not be called with absolute path. Instead call fullPathForFilenameIgnoringResolutions:");
-//		*contentScale = 1.0;
-//		NSLog(@"filename:%@, fullPath:%@, contentScale:%f", filename, filename, *contentScale);
-//		return filename;
-//	}
+	if ([filename isAbsolutePath]) {
+		CCLOGWARN(@"cocos2d: WARNING fullPathForFilename:resolutionType: should not be called with absolute path. Instead call fullPathForFilenameIgnoringResolutions:");
+        return filename;
+	}
 
 	// Already Cached ?
 	CCCacheValue *value = [_fullPathCache objectForKey:filename];