print the real permissions string instead of its address

Signed-off-by: Matthieu Gallien <matthieu.gallien@nextcloud.com>

src/common/remotepermissions.h

@@ -99,7 +99,7 @@ public:
 
     friend QDebug operator<<(QDebug &dbg, RemotePermissions p)
     {
-        return dbg << p.toString().constData();
+        return dbg << p.toString();
     }
 };