[glibc] loongarch: Remove duplicate strnlen in libc.a (BZ 31785)

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=62eaa4673923bd8b91a5f961828b75bcce10beb7

commit 62eaa4673923bd8b91a5f961828b75bcce10beb7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Wed May 22 10:21:10 2024 -0300

    loongarch: Remove duplicate strnlen in libc.a (BZ 31785)
    
    The generic version provides weak definitions of strnlen,
    which are already provided by the ifunc resolver.
    Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

Diff:
---
 sysdeps/loongarch/lp64/multiarch/strnlen-aligned.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sysdeps/loongarch/lp64/multiarch/strnlen-aligned.S b/sysdeps/loongarch/lp64/multiarch/strnlen-aligned.S
index 9826d21c2e..3606225ca2 100644
--- a/sysdeps/loongarch/lp64/multiarch/strnlen-aligned.S
+++ b/sysdeps/loongarch/lp64/multiarch/strnlen-aligned.S
@@ -98,5 +98,7 @@ L(out):
     jr          ra
 END(STRNLEN)
 
+#if !IS_IN (libc)
 weak_alias (STRNLEN, strnlen)
 libc_hidden_builtin_def (STRNLEN)
+#endif