Log Message:
Updating security/p5-GSSAPI from 0.26nb1 to 0.28

pkgsrc changes:
- add license definition

Upstream changes:
0.28    Do 3. Jun 12:11:21 UTC 2010
        - Fixed Lenght-problem in typemap, T_BUFFER_STR_OUT for Heimdal.
          Thanks to Slaven Rezic <slaven@rezic.de> for report and patch.