From f89515febdcfe06ea7e806dc9b7365e93539879d Mon Sep 17 00:00:00 2001
From: Maurizio Cingi <mrzcng2@gmail.com>
Date: Tue, 24 Nov 2015 19:49:13 +0100
Subject: [PATCH] added TmpOutFile=NULL; after closing TmpOutFile

In case of [TIMES] Statistic not equal NONE (see page 174 of Epanet2 users manual) ENclose() function tries to close TmpOutFile again giving a "double free or corruption" error
---
 src/output.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/output.c b/src/output.c
index 0e18bb8..ced8c73 100755
--- a/src/output.c
+++ b/src/output.c
@@ -503,6 +503,7 @@ int  savefinaloutput()
       ERRCODE(savetimestat(x,LINKHDR));
       if (!errcode) Nperiods = 1;
       fclose(TmpOutFile);
+      TmpOutFile=NULL;
       free(x);
    }