Corrected harmless Warnings

apps/sample/space_packer/space_packer.cpp

@@ -57,7 +57,7 @@ static void buildRandRectSet(int rectNum, vector<Box2f> &rectVec)
   }
 }
 
-int main( int argc, char **argv )
+int main( int /*argc*/, char **/*argv*/ )
 {
   vector<Similarity2f> trVec;
   vector<Similarity2f> trPolyVec;

vcg/space/rasterized_outline2_packer.h

@@ -523,6 +523,7 @@ public:
             finalArea +=  tri::OutlineUtil<SCALAR_TYPE>::Outline2Area(oldPoints);
         }
 //        printf("PACKING EFFICIENCY: %f with scale %f\n", finalArea/gridArea, latestSuccessScale);
+        return true;
     }
 
     //tries to pack polygons using the given gridSize and scaleFactor