6273932 gcc and cmd/th_tools don't get along

[mike.sulli...@sun.com]

Author: mike_s
Repository: /hg/onnv/onnv-gate
Revision: 7b779af1dcd9365d57a559783e83b152bce22e88
Log message:
6273932 gcc and cmd/th_tools don't get along

Files:
        update: usr/src/cmd/th_tools/Makefile
        update: usr/src/cmd/th_tools/th_manage.c