external: Update stoken to v0.5+fixes

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
external: Fix libstoken build flags

Re-enable stripping, as this is no longer the default in v0.5.  Fix
the --with-java path.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
external: Sync with openconnect rev a529e3f

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
libs: Sync with latest openconnect sources

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Update stoken and curl binaries

curl bloat is attributed to the GnuTLS version update.  libstoken bloat
is due to static inclusion of libxml2 (for sdtid support).

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>