From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; de-AT; rv:1.4.1)
Gecko/20031030

Description of problem:
vncviewer segfaults when run as 'vncviewer -via gatewaymaschine'.

 Program received signal SIGSEGV, Segmentation fault.
0x006a6f43 in strchr () from /lib/tls/libc.so.6
(gdb) bt
#0  0x006a6f43 in strchr () from /lib/tls/libc.so.6
#1  0xbff29274 in ?? ()
#2  0x08062eba in interpretViaParam (gatewayHost=0xbff27aa0,
    remoteHost=0xbff27aa4, remotePort=0xbff27aa8,
vncServerName=0xbff27aac,
    localPort=5599) at cstring:107
#3  0x0806321d in main (argc=3, argv=0xbff29274) at vncviewer.cxx:273


Version-Release number of selected component (if applicable):
vnc-4.0-0.beta4.6

How reproducible:
Always

Steps to Reproduce:
1. vncviewer -via gatewaymaschine
2. vncviewer segfaults
3.
    

Actual Results:  nothing

Expected Results:  normal vncviewer window asking for the remote
display should come up

Additional info:

vncviewer -via  gatewaymaschine localhost:0   works as expected, but
it should ask for the remote DISPLAY when not supplied on the commandline.