[PATCH] Declare sethostname() if requested

[Sebastian Huber]

Prototype is according to glibc and not FreeBSD which uses int for the
second parameter.

newlib/ChangeLog
2014-10-24  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* libc/include/sys/unistd.h (sethostname): Declare if
	requested.
---
 newlib/libc/include/sys/unistd.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 2c3afc9..e60de0b 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -166,6 +166,9 @@ int     _EXFUN(setgid, (gid_t __gid ));
 #if defined(__CYGWIN__)
 int	_EXFUN(setgroups, (int ngroups, const gid_t *grouplist ));
 #endif
+#if __BSD_VISIBLE || (defined(_XOPEN_SOURCE) && __XSI_VISIBLE < 500)
+int     _EXFUN(sethostname, (const char *, size_t));
+#endif
 int     _EXFUN(setpgid, (pid_t __pid, pid_t __pgid ));
 int     _EXFUN(setpgrp, (void ));
 #if defined(__CYGWIN__) && !defined(__INSIDE_CYGWIN__)
-- 
1.8.4.5