update to current git as of 20200520T233014.cadac85e
changes summarized
* detect unreachable dns service in nslookup output
* check_curl: host_name may be null
* update test parameter according to check_http
* check_curl: use CURLOPT_RESOLVE to fix connecting to the right ip
* workaround for issue #1550 - better use "ping -4" instead
of "ping" if supported
* Use size_t instead of int when calling sysctl(3)
* check_tcp: add --sni
* Fix timeout_interval declarations
* check_curl: NSS, parse more date formats from certificate (in
-C cert check)
* check_curl: more tolerant CN= parsing when checking
certificates (hit on Centos 8)
* setting no_body to TRUE when we have a HEAD request
* some LIBCURL_VERSION checks around HTTP/2 feature
* added --http-version option to check_curl to choose HTTP
* improved curlhelp_parse_statusline to handle both HTTP/1.x
and HTTP/2
* check_curl: updates embedded picohttpparser to newest git
version
* setting progname of check_curl plugin to check_curl (at least
for now)
* Allow mariadbclient to be used for check_mysql
* fix maxfd being zero
* include -P switch in help
* check_swap: repaired "-n" behaviour
* improve command examples for 'at least' processes
OBS-URL: https://build.opensuse.org/package/show/server:monitoring/monitoring-plugins?expand=0&rev=72
