Fixes #1217 Added missing schema file for DNS tab

dns/contrib/openldap/dns-fd.schema

+##
+## dns-fd.schema - Needed by Fusion Directory for managing DNS
+##
+
+# Attributes
+attributetype ( 1.3.6.1.4.1.38414.51.1.1 NAME 'fdDNSZoneDn'
+  DESC 'FusionDirectory - dn of zones which should include this host'
+  EQUALITY caseIgnoreMatch
+  SUBSTR caseIgnoreSubstringsMatch
+  SYNTAX 1.3.6.1.4.1.1466.115.121.1.15)
+
+# Object Class
+objectclass ( 1.3.6.1.4.1.38414.51.2.1 NAME 'fdDNSHost'
+  DESC 'FusionDirectory - DNS host'
+  SUP top AUXILIARY
+  MUST (  )
+  MAY ( fdDNSZoneDn ) )