(svn r14207) -Fix [FS#2262] (r14191): warning about non-virtual destructor in class with virtual functions.

src/fileio_func.h

@@ -68,6 +68,9 @@ extern char *_personal_dir; ///< custom directory for personal settings, saves,
 class FileScanner
 {
 public:
+	/** Destruct the proper one... */
+	virtual ~FileScanner() {}
+
 	uint Scan(const char *extension, Subdirectory sd, bool tars = true);
 
 	/**