remove useless condition

diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index 615381e6c459e1f6831ea83df07cfaf68bbd0b38..ea76e533811f5f9996e4850dc2c317b0390a0961 100644 (file)
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -4195,7 +4195,7 @@ PHP_FUNCTION(mb_send_mail)
        }
 
        /* Subject: */
-       if (subject != NULL && subject_len >= 0) {
+       if (subject != NULL) {
                orig_str.no_language = MBSTRG(language);
                orig_str.val = (unsigned char *)subject;
                orig_str.len = subject_len;