Move qWarning to categorized logging

qWarning could potentially quit an application while it is easily
possible to recover from an error state. Hence avoid usage of qWarning
inside the module.

Task-number: QTBUG-69544
Change-Id: I7340f38d80e6716450fbcd0918226e9435d37daa
Reviewed-by: Kai Koehne <kai.koehne@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/mqtt/websocketsubscription/main.cpp b/examples/mqtt/websocketsubscription/main.cpp
index 03ca84e..a91fc89 100644
--- a/examples/mqtt/websocketsubscription/main.cpp
+++ b/examples/mqtt/websocketsubscription/main.cpp
@@ -99,7 +99,7 @@ int main(int argc, char *argv[])
     } else if (versionString == "3") {
         clientsub.setVersion(3);
     } else {
-        qWarning() << "Unknown MQTT version";
+        qInfo() << "Unknown MQTT version";
         return -2;
     }