[PATCH] DocBook: fix <void/> xml tag

This fix is needed to create valid XML.
Signed-off-by: NMartin Waitz <tali@admingilde.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

scripts/kernel-doc

@@ -607,7 +607,7 @@ sub output_function_xml(%) {
 	    }
 	}
     } else {
-	print "  <void>\n";
+	print "  <void/>\n";
     }
     print "  </funcprototype></funcsynopsis>\n";
     print "</refsynopsisdiv>\n";