From 225211ff137d54d7cd5c23b7be990756114f7263 Mon Sep 17 00:00:00 2001
From: albert-github <albert.tests@gmail.com>
Date: Mon, 17 Jun 2019 14:48:55 +0200
Subject: Bug 796582 - Doxygen has stopped working

In (the rare) case the path is not set don't try to use the pointer.
regression on pull request #513
---
 src/portable.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/portable.cpp b/src/portable.cpp
index e2bdf6e..3d64638 100644
--- a/src/portable.cpp
+++ b/src/portable.cpp
@@ -463,6 +463,7 @@ void portable_correct_path(void)
 {
 #if defined(_WIN32) && !defined(__CYGWIN__)
   const char *p = portable_getenv("PATH");
+  if (!p) return; // no path nothing to correct
   QCString result = substitute(p,'/','\\');
   if (result!=p) portable_setenv("PATH",result.data());
 #endif
-- 
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