printf( "CloseHandle error = 0x%08X\n", (int)GetLastError() );
PRINTF(( "CloseHandle error = 0x%08X\n", (int)GetLastError() ));
    ~Mutex() {        if ( mHandle ) {            // Make sure we release it if we own it.            Unlock();            BOOL rc = CloseHandle( mHandle );            #if MOZ_DEBUG_DDE            if ( !rc ) {                printf( "CloseHandle error = 0x%08X\n", (int)GetLastError() );            }            #endif        }    }