[syslinux] patch, doc/syslinux.txt: Explicitly stating that a label can be set for DEFAULT

[Regid Ichira]

  Where the documentation states that a DEFAULT directive can point to a label?

--- a/doc/syslinux.txt 2011-04-19 00:24:17.000000000 +0300
+++ b/doc/syslinux.txt 2011-11-27 17:10:54.000000000 +0200
@@ -135,7 +135,8 @@ INCLUDE filename
 DEFAULT kernel options...
         Sets the default command line.  If Syslinux boots automatically,
         it will act just as if the entries after DEFAULT had been typed
-        in at the "boot:" prompt.
+        in at the "boot:" prompt.  A label can be stated instead of
+        kernel options... .  The LABEL directive is described below.

        If no configuration file is present, or no DEFAULT entry is
         present in the config file, an error message is displayed and