kernel-doc: extend $type_param to match members referenced by pointer

Currently, function parameter description can match '@type.member'
expressions but fails to match '@type->member'.
Extend the $type_param regex to allow matching both

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
1 file changed