Add version.c to list of ignored files in the utils directory.

........

Merged revisions 388423 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@388424 65c4cc65-6c06-0410-ace0-fbb531ad65f3