Fix prior commit

(cherry picked from commit 8fb62409a1)

src/kernel/qapplication.cpp

@@ -1016,6 +1016,9 @@ void QApplication::initialize( int argc, char **argv, bool enable_sm )
 	    session_key = new QString;
 	session_manager = new QSessionManager( qApp, session_id, *session_key );
     }
+    else {
+        session_manager = 0;
+    }
 #endif
 
 }