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-rw-r--r--libc/stdlib/malloc/malloc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/stdlib/malloc/malloc.h b/libc/stdlib/malloc/malloc.h
index 53683c479..aa41870b9 100644
--- a/libc/stdlib/malloc/malloc.h
+++ b/libc/stdlib/malloc/malloc.h
@@ -138,7 +138,7 @@ extern int __malloc_mmb_debug;
malloc and free, sbrk may be used several times in succession, and
things will break if these multiple calls are interleaved with another
thread's use of sbrk!). */
-__UCLIBC_MUTEX_EXTERN(__malloc_sbrk_lock) attribute_hidden;
+__UCLIBC_MUTEX_EXTERN(__malloc_sbrk_lock);
# define __malloc_lock_sbrk() __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE (__malloc_sbrk_lock)
# define __malloc_unlock_sbrk() __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE (__malloc_sbrk_lock)
#else