[glibc] Sync regex.h from Gnulib

[glibc] Sync regex.h from Gnulib

[Paul Eggert]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="us-ascii", Size: 965 bytes --]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6aa1160d16b0886af125a7e7883aab2203ed156d

commit 6aa1160d16b0886af125a7e7883aab2203ed156d
Author: Paul Eggert <eggert@cs.ucla.edu>
Date:   Tue Aug 4 23:24:03 2020 -0700

    Sync regex.h from Gnulib
    
    * posix/regex.h: Remove an ‘#ifndef _CRAY’ that hasn’t been needed
    for years in Gnulib (and was needed only because of Gnulib).

Diff:
---
 posix/regex.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/posix/regex.h b/posix/regex.h
index 87cce7f5cb..5fe41c8685 100644
--- a/posix/regex.h
+++ b/posix/regex.h
@@ -600,11 +600,9 @@ extern void re_set_registers (struct re_pattern_buffer *__buffer,
 #endif	/* Use GNU */
 
 #if defined _REGEX_RE_COMP || (defined _LIBC && defined __USE_MISC)
-# ifndef _CRAY
 /* 4.2 bsd compatibility.  */
 extern char *re_comp (const char *);
 extern int re_exec (const char *);
-# endif
 #endif
 
 /* For plain 'restrict', use glibc's __restrict if defined.