From ba63f18d8ea7b4655c2489ac51940604f47db76e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Romain=20Tarti=C3=A8re?= <romain@blogreen.org>
Date: Fri, 25 Jan 2019 15:22:15 -1000
Subject: [PATCH] Add missing header

Fix build issue:

```
/tmp/libfreefare/libfreefare/felica.c:50:16: error: implicitly declaring library
      function 'malloc' with type 'void *(unsigned long)'
      [-Werror,-Wimplicit-function-declaration]
    if ((tag = malloc(sizeof(struct felica_tag)))) {
               ^
/tmp/libfreefare/libfreefare/felica.c:50:16: note: include the header <stdlib.h>
      or explicitly provide a declaration for 'malloc'
/tmp/libfreefare/libfreefare/felica.c:64:5: error: implicit declaration of
      function 'free' is invalid in C99
      [-Werror,-Wimplicit-function-declaration]
    free(tag);
    ^
2 errors generated.
```
---
 libfreefare/felica.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libfreefare/felica.c b/libfreefare/felica.c
index f549119..443c595 100644
--- a/libfreefare/felica.c
+++ b/libfreefare/felica.c
@@ -13,6 +13,7 @@
 
 #include <assert.h>
 #include <errno.h>
+#include <stdlib.h>
 #include <string.h>
 
 #include <sys/types.h>