db2 flags should be u_int32_t, not int.

servers/slapd/back-bdb2/startup.c

@@ -38,7 +38,7 @@ bdb2i_back_startup_internal(
 )
 {
 	struct ldbtype  *lty = (struct ldbtype *) bi->bi_private;
-	int             envFlags;
+	u_int32_t		envFlags;
 	int             err      = 0;
 	char            *home;
 

servers/slapd/back-ldbm/startup.c

@@ -48,7 +48,7 @@ ldbm_back_startup(
 #else
 	struct ldbminfo  *li = (struct ldbminfo *) be->be_private;
 	DB_ENV           *dbEnv = &li->li_db_env;
-	int    envFlags = DB_CREATE | DB_THREAD;
+	u_int32_t    envFlags = DB_CREATE | DB_THREAD;
 	int    err      = 0;
 	char   *home;