Prepare for release 2.4.41

CHANGES

 OpenLDAP 2.4 Change Log
 
-OpenLDAP 2.4.41 Engineering
+OpenLDAP 2.4.41 Release (2015/06/21)
 	Fixed ldapsearch to explicitly flush its buffer (ITS#8118)
 	Fixed libldap async connections (ITS#8090)
 	Fixed libldap double free of request during abandon (ITS#7967)

build/version.var

@@ -15,9 +15,9 @@
 ol_package=OpenLDAP
 ol_major=2
 ol_minor=4
-ol_patch=X
-ol_api_inc=20440
+ol_patch=41
+ol_api_inc=20441
 ol_api_current=12
-ol_api_revision=3
+ol_api_revision=4
 ol_api_age=10
-ol_release_date="2014/09/20"
+ol_release_date="2015/06/21"