Description of problem:
Passing a target filename with a space in it to guestfish fails.

Version-Release number of selected component (if applicable):
guestfish-1.0.72-1.fc11.i586

How reproducible:
Always

Steps to Reproduce:
1. Run guestfish <params> -i <file name with spaces.vmdk>
2. Observe errors
  
Actual results:
$ guestfish --ro -i "New Virtual Machine-flat.vmdk"
open /dev/kvm: No such file or directory
Could not initialize KVM, will disable KVM support
New: No such file or directory


Expected results:
No errors.

Additional info:
Also fails with backslashes in front of the spaces (no double quotes used).