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-rw-r--r--support/xunistd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/support/xunistd.h b/support/xunistd.h
index 151d743e1f..c947bfd8fb 100644
--- a/support/xunistd.h
+++ b/support/xunistd.h
@@ -48,7 +48,7 @@ void xwrite (int, const void *, size_t);
 
 /* Invoke mmap with a zero file offset.  */
 void *xmmap (void *addr, size_t length, int prot, int flags, int fd);
-
+void xmprotect (void *addr, size_t length, int prot);
 void xmunmap (void *addr, size_t length);
 
 __END_DECLS