Some blocks are completely unused.

According to http://msdn.microsoft.com/de-de/library/ms235298.aspx

rtl_uString * __pin * pp_sInterfaces = &_sInterfaces;

should be

pin_ptr<rtl_uString *> pp_sInterfaces = &_sInterfaces;

Change-Id: I039e94649d542fb5b51231b2e0df0a4dc1170c19
Reviewed-on: https://gerrit.libreoffice.org/9318Reviewed-by: Thomas Arnhold <thomas@arnhold.org>
Tested-by: Thomas Arnhold <thomas@arnhold.org>