Log Message:
Updating package devel/p5-Test-Warn from 0.11nb1 to 0.21

pkgsrc changes:
  - Adding license
  - Adjusting dependencies

Upstream changes:
0.21  Aug 29 2009
        - rename internal package Tree::MyDAG_Node with Test::Warn::DAG_Node_Tree

0.20  Aug 29 2009
        - fix warning_exists.t for perl 5.6.2
        - warnings_exists was renamed to warnings_exist
        - compatibility layer in Makefile.PL

0.11_02  Jun 16 2009
        - carped.t will work on VMS (RT#39579)
        - fix warning_exists.t for perl 5.10
        - warning_exists was renamed to warnings_exists

0.11_01  Jun 14 2009
        - small changes
        - MIN_PERL_VERSION in Makefile.PL
        - Array::Compare is not needed
        - allow files with spaces in path (RT#21545 by frew )
        - Test::Exception is also not needed
        - warning_exists added