'@include' is not a standard sysntax and not supported by oe.

Upstream-Status: Submitted [https://bugzilla.xfce.org/show_bug.cgi?id=15626]

Signed-off-by: Kai Kang <kai.kang@windriver.com>
---
diff --git a/data/xfce4-screensaver.common-auth b/data/xfce4-screensaver.common-auth
index a9fd9ce..3bfea70 100644
--- a/data/xfce4-screensaver.common-auth
+++ b/data/xfce4-screensaver.common-auth
@@ -1,2 +1,2 @@
-@include common-auth
+auth include common-auth
 auth optional pam_gnome_keyring.so