RFC-compliant escaping of alias characters
RFC-compliant escaping of alias characters

Don't escape CR and LF that must not be escaped accordingly to SIP syntax.
Should be obviated by the previous commit, but better safe than sorry.

freedesktop-unofficial-mirror/telepathy__telepathy-rakia,freedesktop-unofficial-mirror/telepathy__telepathy-rakia,freedesktop-unofficial-mirror/telepathy__telepathy-rakia