FurnaceRecipe parsing: Fixed whitespace removing.

src/FurnaceRecipe.cpp

@@ -68,7 +68,7 @@ void cFurnaceRecipe::ReloadRecipes(void)
	while (std::getline(f, ParsingLine))
	{
		LineNum++;
		ParsingLine = TrimString(ParsingLine);
		ParsingLine.erase(std::remove_if(ParsingLine.begin(), ParsingLine.end(), isspace), ParsingLine.end());  // Remove ALL whitespace from the line
		if (ParsingLine.empty())
		{
			continue;