Description of problem:
The part of the code which extracts ipchains or iptables stats 
always fails.  Sysreport does not create an appropriate file
'ipchains' or 'iptables' in the tar file generated by it.

Version-Release number of selected component (if applicable):
sysreport-1.3.7.0-1

How reproducible:
Always

Steps to Reproduce:
1. run sysreport
2. check 'ipchains' / 'iptables' file in the tar file generated by
sysreport
  
Actual results:
creates 'ipchains' file when no firewall is running
creates 'iptables' file when ipchains is running
creates 'ipchains' file when iptables is running

Expected results:
create 'iptables' file when no firewall is running
create 'ipchains' file when ipchains is running
create 'iptables' file when iptables is running

Additional info: