fix questionable compare

diff --git a/lib/parsedate.c b/lib/parsedate.c
index 864231b0e72c12f116c536177ea3e5efd5dd83cc..37b4ddfe362a9daf1af4a133c1ac1f7cf9216a84 100644 (file)
--- a/lib/parsedate.c
+++ b/lib/parsedate.c
@@ -390,7 +390,7 @@ static time_t Curl_parsedate(const char *date)
   */
   t = mktime(&tm);
 
-  /* time zone adjust */
+  /* time zone adjust (cast t to int to compare to negative one) */
   if(-1 != (int)t) {
     struct tm *gmt;
     long delta;