Fix check_http sending HTTP/1.0 with v1.1 headers (#2638765)

NEWS

@@ -23,6 +23,7 @@ This file documents the major additions and syntax changes between releases.
 	check_http --onredirect=sticky follows using the same IP address (sf.net #2550208)
 	Fixed coredump from check_nt when invalid drive is specified (#2179754 - Olli Hauer)
 	Fixed passing of quotes in OID for check_snmp (#1985230 - Jan Wagner, patch by John Barbuto)
+	Fixed check_http sending HTTP/1.0 with v1.1 headers (#2638765)
 
 1.4.13 25th Sept 2008
 	Fix Debian bug #460097: check_http --max-age broken (Hilko Bengen)

plugins/check_http.c

@@ -794,7 +794,7 @@ check_http (void)
   }
 #endif /* HAVE_SSL */
 
-  asprintf (&buf, "%s %s HTTP/1.0\r\n%s\r\n", http_method, server_url, user_agent);
+  asprintf (&buf, "%s %s %s\r\n%s\r\n", http_method, server_url, host_name ? "HTTP/1.1" : "HTTP/1.0", user_agent);
 
   /* tell HTTP/1.1 servers not to keep the connection alive */
   asprintf (&buf, "%sConnection: close\r\n", buf);