mono: Updated (2.2 -> 2.4)

develop/mono/mono.desc

@@ -35,9 +35,9 @@
 
 [L] GPL
 [S] Stable
-[V] 2.2
+[V] 2.4
 [P] X -----5---9 132.400
 
 [CV-URL] http://go-mono.com/sources-stable/
 
-[D] 1932922826 mono-2.2.tar.bz2 http://go-mono.com/sources/mono/
+[D] 2802417558 mono-2.4.tar.bz2 http://go-mono.com/sources/mono/