Prep for release

CHANGES

 OpenLDAP 2.4 Change Log
 
-OpenLDAP 2.4.48 Engineering
+OpenLDAP 2.4.48 (2019/07/24)
 	Added libldap OpenSSL Elliptic Curve support (ITS#7595)
 	Added libldap Expose OpenLDAP specific interfaces via openldap.h (ITS#8671)
 	Added slapd-monitor support for slapd-mdb (ITS#7770)

build/version.var

@@ -15,9 +15,9 @@
 ol_package=OpenLDAP
 ol_major=2
 ol_minor=4
-ol_patch=X
-ol_api_inc=20447
+ol_patch=48
+ol_api_inc=20448
 ol_api_current=12
-ol_api_revision=10
+ol_api_revision=11
 ol_api_age=10
-ol_release_date="2018/12/19"
+ol_release_date="2019/07/24"