gui/update.cpp: return result from file browser or image select menu

Origin commit data
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Commit: 76947173c0
Author: [CST] Focus <focus.cst@gmail.com>
Date: 2012-11-16 (Fri, 16 Nov 2012)

src/gui/update.h

@@ -53,6 +53,7 @@ class CFlashUpdate : public CProgressWindow
 	
 	std::string installedVersion;
 	std::string newVersion;
+	int	menu_ret;
 	
 	bool selectHttpImage(void);
 	bool getUpdateImage(const std::string & version);