Codegen: fix comment line start leftover.
Codegen: fix comment line start leftover.

Generated telepathy-glib/_gen/telepathy-enums-gtk-doc.h from:
 /usr/bin/python ../tools/c-constants-gen.py         Tp
_gen/stable-spec.xml _gen/telepathy-enums
has incorrect comment. Fix it with the same remedy as
in 5c58330c32f39a9dd6aaaef37f54461922cf6124
"many fixes to documentation comments"
ie remove the newline between '*' and identifier.

Reviewed-by: Simon McVittie <2b470b34502dbf3ba4bcc04ea7e64f4e0e104f33@collabora.co.uk>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=48363

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