Fix the svn:keywords property on several files.

Normally I think keyword expansion is silly, but the one time it would have
been good, it didn't work because the property had quotes in it. This patch
fixes obviously busted svn:keywords properties.
........

Merged revisions 385683 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@385689 65c4cc65-6c06-0410-ace0-fbb531ad65f3