Merge commit '477440f'

native/dns/src/resolver_windows.cpp

@@ -103,6 +103,8 @@ void Resolver::destroy_dns_request(Resolver::dns_request *request) {
             request->thread_data = nullptr;
         } else {
             //Threaded data has been deleted now delete the lock
+            lock.unlock();
+            
             delete request->threaded_lock;
             request->threaded_lock = nullptr;
         }