Revert "CMenuForwarder: Use std::string (not pointer to std::string or char) for option"

This reverts commit b5d1322617.

src/gui/widget/menue.h

@@ -198,7 +198,8 @@ class CMenuForwarder : public CMenuItem
 	std::string         actionKey;
 
  protected:
-	std::string         option;
+	const char *        option;
+	const std::string * option_string;
 	CMenuTarget *       jumpTarget;
 	neutrino_locale_t text;