res_pjsip_send_to_voicemail.c: Fix svn file properties.

........

Merged revisions 420956 from http://svn.asterisk.org/svn/asterisk/branches/12
........

Merged revisions 420957 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@420958 65c4cc65-6c06-0410-ace0-fbb531ad65f3