thr_posix.c: fix implicit function declaration for 'pthread_setconcurrency'

thr_posix.c: In function 'ldap_pvt_thread_set_concurrency':
thr_posix.c:96:9: error: implicit declaration of function 'pthread_setconcurrency'
  return pthread_setconcurrency( n );
         ^~~~~~~~~~~~~~~~~~~~~~
         pthread_setcanceltype

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

diff --git a/libraries/libldap_r/thr_posix.c b/libraries/libldap_r/thr_posix.c
index 35bde07327bbfa98cf38eab2d341cb5cfd6b05dd..e0368cc1eb259463bbac8805d2efbd38ec2817c5 100644 (file)
--- a/libraries/libldap_r/thr_posix.c
+++ b/libraries/libldap_r/thr_posix.c
@@ -14,6 +14,8 @@
  * <http://www.OpenLDAP.org/license.html>.
  */
 
+#define _XOPEN_SOURCE 500       /* For pthread_setconcurrency() on glibc */
+
 #include "portable.h"
 
 #if defined( HAVE_PTHREADS )