Curl_timeleft: change return type to timediff_tbagder/timeleft-timediff_t

returning 'time_t' was problematic when that type is unsigned and we
check values less than zero to detect "already expired" on several
places in the code.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/url.c b/lib/url.c
index 03ee0855a..5a11e423b 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -6323,7 +6323,7 @@ static CURLcode resolve_server(struct Curl_easy *data,
                                bool *async)
 {
   CURLcode result = CURLE_OK;
-  time_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
+  timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
 
   /*************************************************************
    * Resolve the name of the server or proxy