-Y option patch

[Albert Pauw <albert.pauw@xxxxxxxxx>]

 Hi Neil,

I noticed that the -Y option, as in mdadm -D -Y /dev/md0, doesn't work 
but used as --export it works.

So I made a little patch to fix it, but it is simply sticking a Y in the 
list of short_options in ReadMe.c.

Cheers,

Albert

--- ReadMe.c	2011-02-24 15:22:48.252985600 +0100
+++ ReadMe.c.me	2011-02-24 15:22:35.110625216 +0100
@@ -86,7 +86,7 @@
  *     At the time if writing, there is only minimal support.
  */
 
-char short_options[]="-ABCDEFGIQhVXWZ:vqbc:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:";
+char short_options[]="-ABCDEFGIQhVXYWZ:vqbc:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:";
 char short_bitmap_options[]=
                    "-ABCDEFGIQhVXWZ:vqb:c:i:l:p:m:n:x:u:c:d:z:U:N:sarfRSow1tye:";
 char short_bitmap_auto_options[]=