hurd: Fix accessing errno from rtld

Letting rtld access errno through TLS can not work at early stages since
TLS will not be initialized yet.  When a private errno is not possible,
we thus have no other way than going through __errno_location.

	* include/errno.h [IS_IN(rtld) && !RTLD_PRIVATE_ERRNO]: Do not use the
	TLS declaration of errno.

1 files changed, 5 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 94175ab..1b7ddba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-03-25  Samuel Thibault  <samuel.thibault@ens-lyon.org>
+
+	* include/errno.h [IS_IN(rtld) && !RTLD_PRIVATE_ERRNO]: Do not use the
+	TLS declaration of errno.
+
 2018-03-24  H.J. Lu  <hongjiu.lu@intel.com>
 
 	[BZ #22998]