fixed memory leak in operation controller
fixed memory leak in operation controller

flomar/CrypTool-VS2015,flomar/CrypTool-VS2015,flomar/CrypTool-VS2015,flomar/CrypTool-VS2015,flomar/CrypTool-VS2015,flomar/CrypTool-VS2015,flomar/CrypTool-VS2015,flomar/CrypTool-VS2015