Improve logging on event parsing failure

matrix-structs @ 6bfd6362

-Subproject commit d7227d213c253f784b3fd470e0ac98165d2de568
+Subproject commit 6bfd6362c57e687904ed1fbb622f4bdaae038cc3

src/MatrixClient.cc

@@ -238,7 +238,7 @@ MatrixClient::sync() noexcept
                         mtx::responses::Sync response = nlohmann::json::parse(reply->readAll());
                         emit syncCompleted(response);
                 } catch (std::exception &e) {
-                        qWarning() << "Sync malformed response" << e.what();
+                        qWarning() << "Sync malformed response: " << e.what();
                 }
         });
 }