Remove unused ossl_crypto_mem_barrier in old Windows threads

This function is unused and only causes missing prototype
warning.

Reviewed-by: Tomas Mraz <tomas@openssl.foundation>
Reviewed-by: Eugene Syromiatnikov <esyr@openssl.org>
Reviewed-by: Norbert Pocs <norbertp@openssl.org>
MergeDate: Thu Apr 30 11:42:26 2026
(Merged from https://github.com/openssl/openssl/pull/30941)

diff --git a/crypto/thread/arch/thread_win.c b/crypto/thread/arch/thread_win.c
index 32400547026035ceb9aeb76af7c703c986915dbb..b26a1d917a66bab80d86189ab165d6b018e584be 100644 (file)
--- a/crypto/thread/arch/thread_win.c
+++ b/crypto/thread/arch/thread_win.c
@@ -590,10 +590,4 @@ void ossl_crypto_condvar_free(CRYPTO_CONDVAR **cv)
 }
 
 #endif
-
-void ossl_crypto_mem_barrier(void)
-{
-    MemoryBarrier();
-}
-
 #endif