libgfortran: Use proper gthr.h API

libgfortran/

	* io/async.c (init_adv_cond): Use __GTHREAD_COND_INIT_FUNCTION().

From-SVN: r268331

libgfortran/ChangeLog

+2019-01-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* io/async.c (init_adv_cond): Use __GTHREAD_COND_INIT_FUNCTION().
+
 2019-01-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libfortran/89020

libgfortran/io/async.c

@@ -224,7 +224,7 @@ init_adv_cond (struct adv_cond *ac)
 {
   ac->pending = 0;
   __GTHREAD_MUTEX_INIT_FUNCTION (&ac->lock);
-  __gthread_cond_init_function (&ac->signal);
+  __GTHREAD_COND_INIT_FUNCTION (&ac->signal);
 }
 
 /* Initialize an asyncronous unit, returning zero on success,