add ArchHooks_Win32::RestartProgram

stepmania/src/arch/ArchHooks/ArchHooks.h

@@ -40,6 +40,9 @@ public:
 	virtual ~ArchHooks() { }
 	/* This is called once each time through the game loop */
 	virtual void Update(float delta) { }
+
+	/* Re-exec the game.  If this is implemented, it doesn't return. */
+	virtual void RestartProgram() { }
 };
 
 #endif

stepmania/src/arch/ArchHooks/ArchHooks_Win32.cpp

@@ -149,9 +149,6 @@ static BOOL CALLBACK ErrorWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
 
 void ArchHooks_Win32::MessageBoxError( CString error )
 {
-	if( g_bAutoRestart )
-		Win32RestartProgram();
-
 	g_sErrorString = error;
  	// throw up a pretty error dialog
 	AppInstance handle;
@@ -170,6 +167,11 @@ ArchHooks::MessageBoxResult ArchHooks_Win32::MessageBoxAbortRetryIgnore( CString
 	}
 } 
 
+void ArchHooks_Win32::RestartProgram()
+{
+	Win32RestartProgram();
+}
+
 
 /*
  * Copyright (c) 2002-2003 by the person(s) listed below.  All rights reserved.

stepmania/src/arch/ArchHooks/ArchHooks_Win32.h

@@ -10,6 +10,7 @@ public:
     void MessageBoxOK( CString sMessage, CString ID );
 	void MessageBoxError( CString error );
     MessageBoxResult MessageBoxAbortRetryIgnore( CString sMessage, CString ID );
+	void RestartProgram();
 };
 
 #undef ARCH_HOOKS