Index: src/ch/UpdateChecker.h
===================================================================
diff -u -N -rf34d204b8eecd6817dbe4a1c3b3541cf9a8794b0 -r9f104b1c0d552cbe2d1c6b799388af53acce8228
--- src/ch/UpdateChecker.h	(.../UpdateChecker.h)	(revision f34d204b8eecd6817dbe4a1c3b3541cf9a8794b0)
+++ src/ch/UpdateChecker.h	(.../UpdateChecker.h)	(revision 9f104b1c0d552cbe2d1c6b799388af53acce8228)
@@ -55,7 +55,7 @@
 	bool IsClosed() const { return m_hOpenUrl == NULL; }
 
 protected:
-	static void InternetStatusCallback(HINTERNET hInternet, DWORD_PTR dwContext, DWORD dwInternetStatus, LPVOID lpvStatusInformation, DWORD dwStatusInformationLength);
+	static void CALLBACK InternetStatusCallback(HINTERNET hInternet, DWORD_PTR dwContext, DWORD dwInternetStatus, LPVOID lpvStatusInformation, DWORD dwStatusInformationLength);
 
 	void SetUrlHandle(HANDLE hOpenUrl);
 	void SetErrorCode(DWORD dwError);