-h not implemented

[crpb]

It seems because of add_help=False you need both help declarations.

diff --git a/opnsense_checkmk_agent.py.orig b/opnsense_checkmk_agent.py
index 62ffe38..f228b81 100755
--- a/opnsense_checkmk_agent.py.orig
+++ b/opnsense_checkmk_agent.py
@@ -2330,7 +2330,7 @@ if __name__ == "__main__":
         add_help=False,
         formatter_class=SmartFormatter
     )
-    _parser.add_argument("--help",action="store_true",
+    _parser.add_argument("-h","--help",action="store_true",
         help=_("show help message"))
     _parser.add_argument("--start",action="store_true",
         help=_("start the daemon"))