Bump libtool current/age even though nothing actually changed
Bump libtool current/age even though nothing actually changed

This is to compensate for 0.19.10, which should have incremented them
(because it added API) but didn't.

Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib,Distrotech/telepathy-glib