Fix for dbnosync - DB_TXN_NOSYNC is not a valid flag for dbenv_open,

must be set later using dbenv_set_flags.

servers/slapd/back-bdb/init.c

@@ -169,7 +169,7 @@ bdb_db_open( BackendDB *be )
 
 	rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
 		bdb->bi_dbenv_home,
-		flags | bdb->bi_dbenv_xflags,
+		flags,
 		bdb->bi_dbenv_mode );
 	if( rc != 0 ) {
 		Debug( LDAP_DEBUG_ANY,
@@ -178,6 +178,17 @@ bdb_db_open( BackendDB *be )
 		return rc;
 	}
 
+	if( bdb->bi_dbenv_xflags != 0 ) {
+		rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
+			bdb->bi_dbenv_xflags, 1);
+		if( rc != 0 ) {
+			Debug( LDAP_DEBUG_ANY,
+			    "bdb_db_open: dbenv_set_flags failed: %s (%d)\n",
+			    db_strerror(rc), rc, 0 );
+			return rc;
+		}
+	}
+
 	flags = DB_THREAD | DB_CREATE;
 
 	bdb->bi_databases = (struct bdb_db_info **) ch_malloc(