fix windows build

jef-n · jef-n · commit 712925ea62dd · 2016-01-04T18:29:28.000+01:00
diff --git a/src/core/pal/layer.h b/src/core/pal/layer.h
@@ -60,7 +60,6 @@ namespace pal
       friend class Problem;
 
       friend class LabelPosition;
-      friend bool extractFeatCallback( FeaturePart *ft_ptr, void *ctx );
 
     public:
       enum LabelMode { LabelPerFeature, LabelPerFeaturePart };
