t.shell:     Expand the hp-ia64 punt to include all HP-UX since hp11     appears to be showing the same problem.     Piggyback another race bugfix from wscott
t.shell:
    Expand the hp-ia64 punt to include all HP-UX since hp11
    appears to be showing the same problem.
    Piggyback another race bugfix from wscott

bk: 4f760fe4vwCzyHf5J4GAxpHQyulthg
bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper