cwIo.cpp : The main callback no longer indicates a failure when the mutex times out.

cwIo.cpp

@@ -214,6 +214,10 @@ namespace cw
       {
         if((rc = mutex::unlock(p->cbMutexH)) != kOkRC )
         {
+          // Time out is not a failure
+          if( rc == kTimeOutRC )
+            rc = kOkRC;
+          else
             rc = cwLogError(rc,"io mutex callback mutex unlock failed.");          
         }
       }