AC_LANG_PROGRAM and -Wstrict-prototypes -Werror

[Robert Millan]

This makes it possible to use AC_LANG_PROGRAM in autoconf scripts that
have previously included -Wstrict-prototypes and -Werror in their CFLAGS.

2009-09-16  Robert Millan  <address@hidden>

        Fix for -Wstrict-prototypes -Werror.

        * lib/autoconf/c.m4 (AC_LANG_PROGRAM): Use explicit
        void as parameter.

-- 
Robert Millan

  The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
  how) you may access your data; but nobody's threatening your freedom: we
  still allow you to remove your data and not access it at all."

strict_prototype.diff
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