Bug 161987

Description of problem:
During translation I found code line where substring
of translated message was used:

#system-config-bind-4.0.0/DNSsec.py
724: s.importEntryLabels[s.azMethodCombo.get_active()].get_text()[6:]

It breaks translation and user will see only part of first word of message.

Version-Release number of selected component (if applicable):
system-config-bind-4.0.0-16

How reproducible:
Every time.

Steps to Reproduce:
1. Run s-c-b while LANG=C
2. Choose New -> DNSSEC Trusted Key -> Add -> OK
3. You will see message regarding "non-empty" string.
4. Run s-c-b while LANG=ru_RU.UTF-8
5. Choose New -> DNSSEC Trusted Key -> Add -> OK
6. You will see message with only 4 last chars of word "ÐведиÑе" (Enter)
  
  
Actual results:


Expected results:


Additional info:
This code is going to cut 6 chars from string "Enter DNS Server Name"

I suppose it is not good idea to use string operation with localized GUI label
names.