Patch: emacs-20.7/configure.in accomodation for autoconf-2.52

[Adam J. Richter]

        For some reason, in autoconf-2.52, AC_OUTPUT replaces "$@"
in its second argument with "[]", breaking two sed commands that
use "@" as a substitution delimiter in emacs-20.7/configure.in.
The following patch changes the sed commands to use "," as a
substitution delimiter instead, which works around this behavior
in a way that should preserve compatability with previous versions
of autoconf.

        This may be an autoconf-2.52 bug rather than an emacs bug.
So, I am cc'ing this message to autoconf-bugs@gnu.org.

-- 
Adam J. Richter     __     ______________   4880 Stevens Creek Blvd, Suite 104
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emacs.diff
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