Description of problem:
While attempting to connect to vnc client, the install program "exited abnormally"

Version-Release number of selected component (if applicable):
anaconda-11.1.0.10-1

How reproducible:
persistent

Steps to Reproduce:
1. Prepare a reversed connection VNC installation with the following kickstart
config file example (ks.cfg):
     # assumed ks.cfg located at ftp://192.168.3.101/mysrc/fed/ks.cfg
     # make sure port 6603 is open @ viewer host 192.168.3.101
     vnc --host 192.168.3.101 --port 6603
     # assumed installation source tree
     url --url ftp://192.168.3.101/mysrc/fed/i386

2. From the listening VNC viewer @ 192.168.3.101 type
     vncviewer -listen 6603  

3. start the installation. While in the startup/boot command prompt type:
     linux vnc ks=ftp://192.168.3.101/mysrc/fed/ks.cfg      
  
Actual results:
install exited while attempting to connect to vnc client on host 192.168.3.101..

Traceback (most recent call last):
File "/usr/bin/anaconda", line 836, in ?
   runVNC(vncpassword,vncconnecthost,vncconnectport,doStartupX11Actions)
File "/usr/bin/anaconda", line 398, in runVNC
   vncStartedCB=vncStartedCB)
File "/usr/lib/anaconda/vnc.py", line 279, in startVNCServer
   output = iutil.execWithCapture(argv[0],argv,catchfd=2)
NameError: global name 'iutil' is not defined

Expected results:
install program should have proceeded without error

Additional info: