[PATCH] Fix Wstrict-prototypes warnings

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Hello,

When building project, for example, with
CFLAGS=-Werror=strict-prototypes or similar, the libtool's
tests can cause false reports and errors in the log files:

   error: function declaration isn't a prototype

The appended patch includes some fixes for such cases.

Thank you.

-- 
Peter Kokot

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	name="0001-Fix-Wstrict-prototypes-warnings.patch"
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	filename="0001-Fix-Wstrict-prototypes-warnings.patch"
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