daemon: Fix sync() call on Unix.

diff --git a/daemon/sync.c b/daemon/sync.c
index 2cdb10c..37e8faa 100644 (file)
--- a/daemon/sync.c
+++ b/daemon/sync.c
@@ -51,7 +51,8 @@ int
 sync_disks (void)
 {
 #if defined(HAVE_SYNC)
-  return sync ();
+  sync ();
+  return 0;
 #elif defined(WIN32)
   return sync_win32 ();
 #else