From ff69754756da5500a72f074f9c48538c0101b55a Mon Sep 17 00:00:00 2001
From: Ganael Laplanche <ganael.laplanche@martymac.org>
Date: Sat, 1 Sep 2018 22:27:07 +0200
Subject: [PATCH] Fix build with clang 7 on FreeBSD 12-CURRENT:

src/AIModel/AIFlightPlanCreatePushBack.cxx:96:48: error: ordered comparison between pointer and zero ('FGTaxiNode *' and 'int')

(see: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230502)
---
 src/AIModel/AIFlightPlanCreatePushBack.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/AIModel/AIFlightPlanCreatePushBack.cxx b/src/AIModel/AIFlightPlanCreatePushBack.cxx
index 458e19a94..998a53a93 100644
--- a/src/AIModel/AIFlightPlanCreatePushBack.cxx
+++ b/src/AIModel/AIFlightPlanCreatePushBack.cxx
@@ -93,7 +93,7 @@ bool FGAIFlightPlan::createPushBack(FGAIAircraft *ac,
   
     FGGroundNetwork* groundNet = dep->groundNetwork();
     FGParking *parking = gate.parking();
-    if (parking && parking->getPushBackPoint() > 0) {
+    if (parking && parking->getPushBackPoint() != NULL) {
         FGTaxiRoute route = groundNet->findShortestRoute(parking, parking->getPushBackPoint(), false);
       
         int size = route.size();