ITS#7915 fix mdb_entry_release

In server mode, make sure the entry was actually ours

servers/slapd/back-mdb/id2entry.c

@@ -272,11 +272,11 @@ int mdb_entry_release(
 	/* slapMode : SLAP_SERVER_MODE, SLAP_TOOL_MODE,
 			SLAP_TRUNCATE_MODE, SLAP_UNDEFINED_MODE */
  
-	mdb_entry_return( op, e );
 	if ( slapMode & SLAP_SERVER_MODE ) {
 		OpExtra *oex;
 		LDAP_SLIST_FOREACH( oex, &op->o_extra, oe_next ) {
 			if ( oex->oe_key == mdb ) {
+				mdb_entry_return( op, e );
 				moi = (mdb_op_info *)oex;
 				/* If it was setup by entry_get we should probably free it */
 				if ( moi->moi_flag & MOI_FREEIT ) {
@@ -291,6 +291,8 @@ int mdb_entry_release(
 				break;
 			}
 		}
+	} else {
+		mdb_entry_return( op, e );
 	}
  
 	return 0;