[glibc] i386: Remove unused variable in sysdeps/x86/cacheinfo.c

[Florian Weimer <fw@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19108a38325c6ecb33e8d216ee1056e2732bc20f

commit 19108a38325c6ecb33e8d216ee1056e2732bc20f
Author: Florian Weimer <fweimer@redhat.com>
Date:   Thu Apr 30 21:12:23 2020 +0200

    i386: Remove unused variable in sysdeps/x86/cacheinfo.c
    
    Commit a98dc92dd1e278df4c501deb07985018bc2b06de ("x86: Add cache
    information support for Zhaoxin processors") introduced an unused
    variable warning in the default i686-linux-gnu build:
    
    In file included from ../sysdeps/i386/cacheinfo.c:3:
    ../sysdeps/x86/cacheinfo.c: In function 'init_cacheinfo':
    ../sysdeps/x86/cacheinfo.c:762:16: error: unused variable 'eax' [-Werror=unused-variable]
      762 |   unsigned int eax;
          |                ^~~

Diff:
---
 sysdeps/x86/cacheinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/x86/cacheinfo.c b/sysdeps/x86/cacheinfo.c
index 17d7e41aed..311502dee3 100644
--- a/sysdeps/x86/cacheinfo.c
+++ b/sysdeps/x86/cacheinfo.c
@@ -759,7 +759,6 @@ __attribute__((constructor))
 init_cacheinfo (void)
 {
   /* Find out what brand of processor.  */
-  unsigned int eax;
   unsigned int ebx;
   unsigned int ecx;
   unsigned int edx;
@@ -830,6 +829,7 @@ init_cacheinfo (void)
 #ifndef DISABLE_PREFETCHW
       if (max_cpuid_ex >= 0x80000001)
 	{
+	  unsigned int eax;
 	  __cpuid (0x80000001, eax, ebx, ecx, edx);
 	  /*  PREFETCHW     || 3DNow!  */
 	  if ((ecx & 0x100) || (edx & 0x80000000))