configure --disable-assert

[Eric Blake]

Cleanups on head for working with --disable-assert, plus an aesthetic
change in the testsuite.

2006-08-29  Eric Blake  <address@hidden>

        * m4/m4private.h (m4_get_syntax_lquote, m4_get_syntax_rquote)
        (m4_get_syntax_bcomm, m4_get_syntax_ecomm) [NDEBUG]: Use same type
        as accessor function, to avoid compiler warning.
        * m4/module.c (m4__module_open): Move declaration of variable to
        avoid compiler warning.
        * src/main.c (main): Avoid shadowing a global variable.
        * src/freeze.c (produce_symbol_dump): Avoid unused variable
        warning when NDEBUG.
        * tests/options.at (--discard-comments, --import-environment)
        (--debug, --prepend-include, --help and --version): Rename tests
        to name option tested.

m4.patch142
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