util.startup: Understand -h, -? as --help in prosodyctl but ignore

prosodyctl -h showing an error was not very helpful, especially since
prosodyctl shows its help for any unknown (or none) command.

1 files changed, 1 insertions, 1 deletions

diff --git a/util/startup.lua b/util/startup.lua
index 890e18ba..b3357783 100644
--- a/util/startup.lua
+++ b/util/startup.lua
@@ -28,7 +28,7 @@ local arg_settigs = {
 		value_params = { config = true };
 	};
 	prosodyctl = {
-		short_params = { v = "verbose" };
+		short_params = { v = "verbose", h = "help", ["?"] = "help" };
 		value_params = { config = true };
 	};
 }