openldap: update to 2.5.16.

2.5.x is an LTS version per the project.
Drop patch now included.

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/openldap/openldap/0001-configure-Pass-pthread_t-to-pthread_detach.patch

@@ -1,32 +0,0 @@
-From 7577b120acda087bf3f5f613c2c72663b3864ad8 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Sun, 4 Sep 2022 09:43:06 -0700
-Subject: [PATCH] configure: Pass pthread_t to pthread_detach
-
-This helps compilers when using C2X standard
-
-Upstream-Status: Pending
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- configure.ac | 5 +----
- 1 file changed, 1 insertion(+), 4 deletions(-)
-
-diff --git a/configure.ac b/configure.ac
-index 0978eeb..58d15f8 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -1467,10 +1467,7 @@ pthread_rwlock_t rwlock;
- 				dnl save the flags
- 				AC_LINK_IFELSE([AC_LANG_PROGRAM([[
- #include <pthread.h>
--#ifndef NULL
--#define NULL (void*)0
--#endif
--]], [[pthread_detach(NULL);]])],[ol_cv_func_pthread_detach=yes],[ol_cv_func_pthread_detach=no])
-+]], [[pthread_detach((pthread_t)-1);]])],[ol_cv_func_pthread_detach=yes],[ol_cv_func_pthread_detach=no])
- 			])
- 
- 			if test $ol_cv_func_pthread_detach = no ; then
--- 
-2.37.3
-

meta-oe/recipes-support/openldap/openldap_2.5.16.bb

@@ -19,10 +19,9 @@ SRC_URI = "http://www.openldap.org/software/download/OpenLDAP/openldap-release/$
     file://slapd.service \
     file://remove-user-host-pwd-from-version.patch \
     file://0001-build-top.mk-unset-STRIP_OPTS.patch \
-    file://0001-configure-Pass-pthread_t-to-pthread_detach.patch \
 "
 
-SRC_URI[sha256sum] = "ee3c430c4ef7b87c57b622108c7339376d6c27fbbf2767770be3de1df63d008c"
+SRC_URI[sha256sum] = "546ba591822e8bb0e467d40c4d4a30f89d937c3a507fe83a578f582f6a211327"
 
 DEPENDS = "util-linux groff-native"