From 24a8722f3ea12d235b192ebe12529b830efdab9c Mon Sep 17 00:00:00 2001
From: Christopher Baker <me@christopherbaker.net>
Date: Wed, 2 Jul 2014 11:18:11 -0500
Subject: [PATCH] Fix typo.

---
 src/impl/list_ports/list_ports_osx.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/impl/list_ports/list_ports_osx.cc b/src/impl/list_ports/list_ports_osx.cc
index fa1aeb8..29da120 100644
--- a/src/impl/list_ports/list_ports_osx.cc
+++ b/src/impl/list_ports/list_ports_osx.cc
@@ -1,4 +1,4 @@
-#if defined(_APPLE_)
+#if defined(__APPLE__)
 
 #include <sys/param.h>
 #include <stdint.h>
@@ -282,4 +282,4 @@ serial::list_ports(void)
     return devices_found;
 }
 
-#endif // defined(_APPLE_)
+#endif // defined(__APPLE__)