cygwin compile warnings

[Eric Blake]

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OK to commit this to avoid a couple of compile warnings on cygwin?

2007-05-16  Eric Blake  <ebb9@byu.net>

	* libc/stdlib/wctomb_r.c (_wctomb_r): Avoid gcc warnings on
	cygwin.
	* libc/search/hash.c (__hash_open): Likewise.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net
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