Description of problem:
Wrong permission bits set for /etc/cron.d/bugzilla

Version-Release number of selected component (if applicable):
2.22.10-fc6

How reproducible:
Always

Steps to Reproduce:
1. Install bugzilla, make it operational
2. Check periodically /var/log/cron, or wait for logwatch mail: an error (see 
below) is issued.
  
Actual results:
Lines like the one below are logged to /var/log/cron:
Jan 29 10:33:01 machine crond(2611): (*system*) BAD FILE MODE 
(/etc/cron.d/bugzilla)

Such lines are extracted by logwatch and mailed nightly

Expected results:
No error ==> no log


Additional info:
According to other files /etc/cron.d, file permissions ought to be 600, not 755