Commit 6158b18c81ea5a32acd8bdecafe1dfe32619d667

Fix a compilation warning

I don't get the warning on newer GCC.
  
123123
124124 if (!mThread)
125125 {
126 logger->log(DOWNLOAD_ERROR_MESSAGE_THREAD);
126 logger->log("%s", DOWNLOAD_ERROR_MESSAGE_THREAD);
127127 strcpy(mError, DOWNLOAD_ERROR_MESSAGE_THREAD);
128128 mUpdateFunction(mPtr, DOWNLOAD_STATUS_THREAD_ERROR, 0, 0);
129129