From 7bb57d6af2caa28d5d361a50d6e36d3c9cae1e7e Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Thu, 28 Mar 2019 14:21:57 -0400
Subject: stdlib.h need for abs

---
 tkagif/tkagif.C | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tkagif/tkagif.C b/tkagif/tkagif.C
index 32bbb5d..2429426 100644
--- a/tkagif/tkagif.C
+++ b/tkagif/tkagif.C
@@ -10,6 +10,7 @@
 #include <fstream>
 using namespace std;
 
+#include <stdlib.h>
 #include <string.h>
 #include <tk.h>
 
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