From 21429ea473f177e998e11355d0cbcce8af43980f Mon Sep 17 00:00:00 2001
From: Valentin Gehrke <madmaurice@zom.bi>
Date: Fri, 6 Nov 2015 14:14:49 +0100
Subject: [PATCH] added stack_free

---
 stack.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stack.c b/stack.c
index 2ab2791..be0b696 100644
--- a/stack.c
+++ b/stack.c
@@ -66,5 +66,8 @@ int main( int argc, char *argv[] ) {
         printf("%d\n",stack_pop(s));
     }
 
+    stack_free(s);
+    s = NULL;
+
 	return 0;
 }