CScanTs: add destructor to avoid leaks

Origin commit data
------------------
Commit: c0a1b8690f
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2013-04-06 (Sat, 06 Apr 2013)

src/gui/scan.h

@@ -83,6 +83,7 @@ class CScanTs : public CMenuTarget
 
 	public:
 		CScanTs();
+		~CScanTs();
 		void hide();
 		int exec(CMenuTarget* parent, const std::string & actionKey);
 };