MAINTAINERS: Delete spurious '.'

Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>

MAINTAINERS

@@ -20,7 +20,7 @@ Descriptions of section entries:
 	   Supported:	Someone is actually paid to look after this.
 	   Maintained:	Someone actually looks after it.
 	   Odd Fixes:	It has a maintainer but they don't have time to do
-			much other than throw the odd patch in. See below..
+			much other than throw the odd patch in. See below.
 	   Orphan:	No current maintainer [but maybe you could take the
 			role as you write your new code].
 	   Obsolete:	Old code. Something tagged obsolete generally means