* The Snowball project has rerolled libstemmer_c.tgz as they
occasionally do. This time they've actually changed the code, so
patching is now required in order to compile.
* Add option to link against re2 regular expression library.
* PGSQL_USE -> PGSQL_USES
Submitted by: Daniel Ylitalo <firstname.lastname@example.org>
Submitted by: Alex Storn <email@example.com>