Log Message:
Update to 2.6:

* Noteworthy changes in release 2.6 (2010-04-20) [stable]
- Fix build failure on platforms without support for GNU LD version scripts.
- libtasn1: Simplified implementation of asn1_check_version.
- tests: Improved self-checks.
- Update gnulib files, fix many syntax-check nits, indent code,
  fix license templates.