Clean up code

VirtualRobot/Workspace/WorkspaceDataArray.cpp

@@ -539,7 +539,8 @@ namespace VirtualRobot
         delete []compressedData;*/
         CompressionBZip2Ptr bzip2(new CompressionBZip2(&file));
         unsigned char* emptyData = new unsigned char[getSizeRot()];
-        memset(emptyData, 0, getSizeRot() * sizeof(unsigned char));
+        const auto blockSize = getSizeRot() * sizeof(unsigned char);
+        memset(emptyData, 0, blockSize);
 
         for (unsigned int x = 0; x < sizes[0]; x++)
             for (unsigned int y = 0; y < sizes[1]; y++)
@@ -557,7 +558,7 @@ namespace VirtualRobot
                         dataBlock = (void*) emptyData;
                     }
 
-                    if (!bzip2->write(dataBlock, getSizeRot() * sizeof(unsigned char)))
+                    if (!bzip2->write(dataBlock, blockSize))
                     {
                         VR_ERROR << "Error writing to file.." << endl;
                         bzip2->close();