Tools&Core: Whitespace cleanup

No one likes whitespace, right?

src/tools/mesh_extractor/LiquidHandler.cpp

@@ -20,7 +20,7 @@ void LiquidHandler::HandleNewLiquid()
     MCNKData.reserve(256);
     for (int i = 0; i < 256; i++)
         header[i] = H2OHeader::Read(stream);
-    
+
     for (int i = 0; i < 256; i++)
     {
         H2OHeader h = header[i];