[PATCH newlib]Bring back wchar io files for --disable-newlib-wide-orient option

[bin.cheng]

Hi,

When I introduced configuration option "--disable-newlib-wide-orient", I
removed the build of wchar's io files like getwc/putwc/fgetwc/fputwc, etc..
This is inappropriate because: A) wchar's IO is not same thing with wide
orientation, it should work even if wide orientation is disabled (though
these io function would not set file orientation any more).  B) C++ iostream
depends on wchar's IO functions even it's not used explicitly by user
program.

This patch brings these wchar's IO files back.  I built newlib with/without
the option and ran gcc regression test with the patch.  Is it OK?

Thanks.
bin

2013-08-12  Bin Cheng  <bin.cheng@arm.com>

	* libc/configure.in (--enable-newlib-wchar-orient): Remove.
	* libc/configure: Regenerated.
	* libc/stdio/Makefile.am (NEWLIB_WIDE_ORIENT): Remove.
	* libc/stdio/Makefile.in: Regenerated.
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