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-rw-r--r--sysdeps/mach/hurd/sync.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/sync.c b/sysdeps/mach/hurd/sync.c
index f4ddf7076b..775182edab 100644
--- a/sysdeps/mach/hurd/sync.c
+++ b/sysdeps/mach/hurd/sync.c
@@ -21,7 +21,7 @@
 
 /* Make all changes done to all files actually appear on disk.  */
 void
-sync ()
+sync (void)
 {
   /* This is not actually synchronous; we don't wait.  */
   error_t err = __USEPORT (CRDIR, __file_syncfs (port, 0, 1));