build_reporting fails if empty string in ignorelist

[nhavens]

The default configuration in the ubuntu 12.04 cobbler 2.6.5 package has the following in /etc/settings:

build_reporting_ignorelist = [""]

The code that reads this value is in install_post_report.py, and the condition that determines whether to send a build report email is:

for prefix in settings.build_reporting_ignorelist:
  if name.lower().startswith(prefix) == True:
    sendmail = False

With the default configuration, this check always succeeds, and mail is not sent.

Fix the issue by modifying the condition to:

  if prefix != '' and name.lower().startswith(prefix):

[jmaas]

Fixed in master and release26. Thanks