lib: Make var_expand() comparison consistent

diff --git a/src/lib/var-expand.c b/src/lib/var-expand.c
index 6245c1266ae2b5c344cd8009c9961cf09ec8e987..ba74962faa51ce5036677fa5c6e7331345764c6d 100644 (file)
--- a/src/lib/var-expand.c
+++ b/src/lib/var-expand.c
@@ -232,7 +232,7 @@ var_expand_hash(struct var_expand_context *ctx,
        string_t *tmp = t_str_new(method->digest_size);
 
        if ((ret = var_expand_long(ctx, field, strlen(field),
-                                  &value, error_r)) < 1) {
+                                  &value, error_r)) <= 0) {
                return ret;
        }