Cleanup: trailing commas

Needed for clan-format not to wrap onto one line.

source/blender/freestyle/intern/python/Interface1D/FEdge/BPy_FEdgeSmooth.cpp

@@ -135,7 +135,7 @@ static Mathutils_Callback FEdgeSmooth_mathutils_cb = {
 	FEdgeSmooth_mathutils_get,
 	FEdgeSmooth_mathutils_set,
 	FEdgeSmooth_mathutils_get_index,
-	FEdgeSmooth_mathutils_set_index
+	FEdgeSmooth_mathutils_set_index,
 };
 
 static unsigned char FEdgeSmooth_mathutils_cb_index = -1;