From c72e788fae460ae32812318014aa6bbdbde5c6f0 Mon Sep 17 00:00:00 2001
From: Joseph Mingrone <jrm@ftfl.ca>
Date: Thu, 10 May 2018 18:16:03 -0300
Subject: [PATCH] Use '!iterator->is_root()' instead of 'iterator->is_root() ==
 nil'

This fixes a clang compiler error.
---
 src/core/calcnode.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/calcnode.cpp b/src/core/calcnode.cpp
index 33520240c..3e68fb47b 100644
--- a/src/core/calcnode.cpp
+++ b/src/core/calcnode.cpp
@@ -5932,7 +5932,7 @@ void    _TheTree::TreePSRecurse (node<nodeCoord>* iterator, _String&res, _Parame
         res << "0 0 0 setrgbcolor\n";
     }
 
-    if (iterator->is_root() == nil && layout == 1) {
+    if (!iterator->is_root() && layout == 1) {
         res <<  (_String (-iterator->in_object.h) & ' ' & _String (-iterator->in_object.v) & " translate\n");
     }
 }