Patch - Add restrict to unistd.h

[Jeff Johnston]

Yes, go ahead.

----- Original Message -----
From: "Joel Sherrill" <joel.sherrill@oarcorp.com>
To: newlib@sourceware.org
Sent: Friday, November 22, 2013 4:01:11 PM
Subject: Patch - Add restrict to unistd.h

Hi

Another patch in the add restrict series from Google
Code-In students.

FWIW readlinkat() is what was wrapped in a CYGWIN
ifdef which made me wonder why and send the other
email.

OK to commit?

2013-11-22  Chirayu Desai  <chirayudesai1@gmail.com>

        * libc/include/sys/unistd.h (readlink): Add restrict keyword.
        (readlinkat): Ditto.
        (swab): Ditto.
        * libc/sys/rdos/readlink.c (readlink): Ditto.
        * libc/string/swab.c (swab): Ditto.


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