don't unlock double lock outside conditional

libraries/networking/src/udt/SendQueue.cpp

@@ -402,13 +402,13 @@ void SendQueue::run() {
                             // skip to the next iteration
                             continue;
                         }
-                    }
-                    
+                    } else {
                         // we got the try_lock but failed the other conditionals so we need to unlock
                         doubleLock.unlock();
                     }                    
                 }
             }
+        }
         
         auto loopEndTimestamp = high_resolution_clock::now();