[parrot/parrot] f2f32f: Add typecasts to correct 'comparison between signe...

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Branch: refs/heads/master
Home:   https://github.com/parrot/parrot

Commit: f2f32f8dcad474be363d45e072f7ca77c2df6556
    https://github.com/parrot/parrot/commit/f2f32f8dcad474be363d45e072f7ca77c2df6556
Author: jkeenan <jkeenan at cpan.org>
Date:   2011-06-11 (Sat, 11 Jun 2011)

Changed paths:
  M src/call/args.c
  M src/gc/gc_gms.c
  M src/pmc/hash.pmc

Log Message:
-----------
Add typecasts to correct 'comparison between signed and unsigned' warnings during build with both gcc and g++.