Freestyle: minor speed-up by omitting the calculation of the smallest edge size.

BlenderFileLoader tries to find the smallest edge size but the computed value is not used.

source/blender/freestyle/intern/blender_interface/BlenderFileLoader.h

@@ -87,8 +87,10 @@ public:
 	/*! Gets the number of read faces */
 	inline unsigned int numFacesRead() {return _numFacesRead;}
 
+#if 0
 	/*! Gets the smallest edge size read */
 	inline real minEdgeSize() {return _minEdgeSize;}
+#endif
 
 	/*! Modifiers */
 	inline void setRenderMonitor(RenderMonitor *iRenderMonitor) {_pRenderMonitor = iRenderMonitor;}
@@ -115,7 +117,9 @@ protected:
 	SceneRenderLayer *_srl;
 	NodeGroup *_Scene;
 	unsigned _numFacesRead;
+#if 0
 	real _minEdgeSize;
+#endif
 	bool _smooth; /* if true, face smoothness is taken into account */
 	float _viewplane_left;
 	float _viewplane_right;