From a5a02f8e8223e030838961418f2c85f08922282a Mon Sep 17 00:00:00 2001
From: Santiago Gimeno <santiago.gimeno@gmail.com>
Date: Wed, 1 Mar 2017 22:37:23 +0100
Subject: [PATCH] src: fix -Wsign-compare warning on OS X

By casting `SCARD_E_INSUFFICIENT_BUFFER` to `LONG`.
---
 src/pcsclite.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pcsclite.cpp b/src/pcsclite.cpp
index 2c1358c..9c44e60 100644
--- a/src/pcsclite.cpp
+++ b/src/pcsclite.cpp
@@ -290,7 +290,7 @@ LONG PCSCLite::get_card_readers(PCSCLite* pcsclite, AsyncResult* async_result) {
         readers_name_length = 0;
 #ifndef SCARD_AUTOALLOCATE
         /* Retry in case of insufficient buffer error */
-        if (result == SCARD_E_INSUFFICIENT_BUFFER) {
+        if (result == (LONG)SCARD_E_INSUFFICIENT_BUFFER) {
             result = get_card_readers(pcsclite, async_result);
         }
 #endif