[rtems-libbsd commit] Fix errno redefined warning

[Sebastian Huber]

Module:    rtems-libbsd
Branch:    master
Commit:    b01ce52ef45f4dac6adea9866ee3be3391bab479
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=b01ce52ef45f4dac6adea9866ee3be3391bab479

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Nov 10 13:25:58 2016 +0100

Fix errno redefined warning

---

 rtemsbsd/include/rtems/bsd/sys/errno.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rtemsbsd/include/rtems/bsd/sys/errno.h b/rtemsbsd/include/rtems/bsd/sys/errno.h
index 2ed71ac..7fad3cf 100644
--- a/rtemsbsd/include/rtems/bsd/sys/errno.h
+++ b/rtemsbsd/include/rtems/bsd/sys/errno.h
@@ -40,10 +40,12 @@
 
 #ifndef _KERNEL
 #include <sys/cdefs.h>
+#ifndef __rtems__
 __BEGIN_DECLS
 int *	__error(void);
 __END_DECLS
 #define	errno		(* __error())
+#endif /* __rtems__ */
 #endif
 
 #ifndef __rtems__