[monitoring-plugins] fixed curl error message

[Sven Nierlein]

    Module: monitoring-plugins
    Branch: feature_check_curl
    Commit: 3de22e2dc38a098271b999581360d808f2e421da
    Author: Andreas Baumann <mail at andreasbaumann.cc>
 Committer: Sven Nierlein <sven at nierlein.de>
      Date: Thu Jan 19 20:42:57 2017 +0100
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=3de22e2

fixed curl error message

---

 plugins/check_curl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/check_curl.c b/plugins/check_curl.c
index 4a62c1d..8ef48d0 100644
--- a/plugins/check_curl.c
+++ b/plugins/check_curl.c
@@ -268,8 +268,8 @@ main (int argc, char **argv)
 	/* Curl errors, result in critical Nagios state */
 	if (res != CURLE_OK) {
 		remove_newlines (errbuf);
-		snprintf (msg, DEFAULT_BUFFER_SIZE, _("Invalid HTTP response received from host on port %d: %s\n"),
-			server_port, status_line.msg, status_line.msg);
+		snprintf (msg, DEFAULT_BUFFER_SIZE, _("Invalid HTTP response received from host on port %d: cURL returned %d - %s\n"),
+			server_port, res, curl_easy_strerror(res));
 		die (STATE_CRITICAL, "HTTP CRITICAL - %s\n", msg);
 	}