wine_pthread_init_thread: retrieve the stack info on Darwin.

diff --git a/configure b/configure
index e3083ff..9e8591c 100755
--- a/configure
+++ b/configure
@@ -11133,7 +11133,13 @@
 ac_save_LIBS="$LIBS"
 LIBS="$LIBS $LIBPTHREAD"
 
-for ac_func in pthread_getattr_np
+
+
+for ac_func in \
+        pthread_getattr_np \
+        pthread_get_stackaddr_np \
+        pthread_get_stacksize_np \
+
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5