$OpenBSD: patch-src_AIModel_AIFlightPlanCreatePushBack_cxx,v 1.1 2019/01/21 23:21:19 naddy Exp $

fix clang error:
ordered comparison between pointer and zero

Index: src/AIModel/AIFlightPlanCreatePushBack.cxx
--- src/AIModel/AIFlightPlanCreatePushBack.cxx.orig
+++ src/AIModel/AIFlightPlanCreatePushBack.cxx
@@ -93,7 +93,7 @@ bool FGAIFlightPlan::createPushBack(FGAIAircraft *ac,
   
     FGGroundNetwork* groundNet = dep->getDynamics()->getGroundNetwork();
     FGParking *parking = gate.parking();
-    if (parking && parking->getPushBackPoint() > 0) {
+    if (parking && parking->getPushBackPoint() != nullptr) {
         FGTaxiRoute route = groundNet->findShortestRoute(parking, parking->getPushBackPoint(), false);
       
         int size = route.size();
