Fix qt endl

qmltermwidget/lib/kpty.cpp

@@ -331,7 +331,12 @@ gotpty:
             !d->chownpty(true)) {
         qWarning()
         << "chownpty failed for device " << ptyName << "::" << d->ttyName
-        << "\nThis means the communication can be eavesdropped." << Qt::endl;
+        << "\nThis means the communication can be eavesdropped."
+#if QT_VERSION >= 0x050e00
+        << Qt::endl;
+#else
+        << endl;
+#endif
     }
 
 #if defined (HAVE__GETPTY) || defined (HAVE_GRANTPT)