PATCH - Add C99 restrict to stdlib

[Joel Sherrill <joel dot sherrill at oarcorp dot com>]

Hi

Attached is a patch which adds the restrict keyword
as required to stdlib.h methods. An attempt was made
to add them everywhere. I only built the documentation
and sparc-rtems.

OK to apply?

2013-11-15  Sahil Patnayakuni  <sahilp@oarcorp.com>

	* libc/include/stdlib.h, libc/stdlib/mbstowcs.c,
	libc/stdlib/mbstowcs_r.c, libc/stdlib/mbtowc.c,
	libc/stdlib/mbtowc_r.c, libc/stdlib/strtod.c,
	libc/stdlib/strtol.c, libc/stdlib/strtold.c,
	libc/stdlib/strtoll.c, libc/stdlib/strtoll_r.c,
	libc/stdlib/strtoul.c, libc/stdlib/strtoull.c,
	libc/stdlib/strtoull_r.c, libc/stdlib/wcstombs.c,
	libc/stdlib/wcstombs_r.c: Add restrict keyword.


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joel.sherrill@OARcorp.com        On-Line Applications Research
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