#4268 libecl : Add patch file

patches/windows-summary-guard-null-pointer.patch

@@ -0,0 +1,28 @@
+From 2b1df4bc7dd7a3d622e77d846868faa22caca824 Mon Sep 17 00:00:00 2001
+From: Magne Sjaastad <magne.sjaastad@ceetronsolutions.com>
+Date: Mon, 1 Apr 2019 14:26:15 +0200
+Subject: [PATCH] #4268 libecl : Check for nullpointer on Windows
+
+---
+ ThirdParty/Ert/lib/util/util.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/ThirdParty/Ert/lib/util/util.c b/ThirdParty/Ert/lib/util/util.c
+index 53a0c8584..6243a411f 100644
+--- a/ThirdParty/Ert/lib/util/util.c
++++ b/ThirdParty/Ert/lib/util/util.c
+@@ -2153,6 +2153,11 @@ int util_fmove( FILE * stream , long offset , long shift) {
+ #ifdef HAVE_WINDOWS__ACCESS
+ 
+ bool util_access(const char * entry, int mode) {
++  if (!entry)
++  {
++    return false;
++  }
++
+   return (_access(entry, mode) == 0);
+ }
+ 
+-- 
+2.21.0.windows.1
+