Update to 2.26.2, set LICENSE to gnu-lgpl-v2.

2.26.2
======

  Fixes
  - Avoid assertion failures in gconf_client_lookup callers (Matthias Clasen)

2.26.1
======

  Fixes
  - Tracing improvements (Behdad Esfahbod)
  - Track fully-cached directories in the client (Matthias Clasen)
  - Improve performance of the markup backend (Michael Meeks)
  - Make openldap support optional (Gilles Dartiguelongue)
  - Fix errno usage (Christian Persch)

  Translation updates
    (ar, et, kn, or)

(wiz)