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: http://svn.asterisk.org/svn/asterisk/branches/11@385689 f38db490-d61c-443f-a65b-d21fe96a405b