Missing assignment

Signed-off-by: Igor Zaworski <izaworski@internships.antmicro.com>

src/V3SchedVirtIface.cpp

@@ -155,6 +155,7 @@ private:
         VL_RESTORER(m_hasTimingControl);
         m_hasTimingControl = false;
         iterateChildren(nodep);
+        nodep->user2(m_hasTimingControl);
     }
     void visit(AstNodeCCall* nodep) override {
         iterate(nodep->funcp());