typedefs_neg.cc: Tweak line numbers.

2007-07-02  Douglas Gregor  <doug.gregor@gmail.com>

        * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
        Tweak line numbers.
        * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
        Ditto.
        * testsuite/20_util/make_unsigned/requirements/typedefs-1.cc:
        Don't try to create an unsigned wchar_t.
        * testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
        Don't try to create an unsigned wchar_t.
        * testsuite/util/testsuite_hooks.h: Remove a stray semicolon.

From-SVN: r126203