Patch - Add restrict to regex.h

[Craig Howland]

On 11/20/2013 10:56 AM, Joel Sherrill wrote:
> Hi
>
> Another patch in the restrict series from Google Code-In
> students.
>
> I am building sparc-rtems and "make info".
>
> How does this look?2013-11-20  Chirayu Desai  <chirayudesai1@gmail.com>
>
> 	* libc/include/regex.h, libc/posix/regcomp.c,
> 	libc/posix/regerror.c, libc/posix/regex.3
> 	libc/posix/regexec.c: Add restrict keyword.
>
The man page should be using "restrict" versus "__restrict".  The latter is an 
internal thing to make it easier to leave out for ancient compilers.  It does 
not seem right to confuse man page readers with the underscores.
Craig