Description of problem:
It would be nice if htt printed out a error message too for
unknown options like htt_server does.

htt_server [-d] [-lcbasiclocale localename]
           [-ifpath_name ifpath] [-if ifname]
           [-port portnumber] [-hostname hostname]
           [-conversionkeys keys]

Version-Release number of selected component (if applicable):
im-sdk-12.0.1-1.svn1891

How reproducible:
Always

Steps to Reproduce:
1.in gnome-terminal, enter htt -h or htt --help
2.
3.
  
Actual results:
Usage: htt [-retryonerror NUM]

Expected results:
Something similar to htt_server

Additional info: