libmnl: changed to build at cross stage if requested

network/libmnl/libmnl.desc

@@ -2,7 +2,7 @@
 [COPY] This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 [COPY]
 [COPY] Filename: package/.../libmnl/libmnl.desc
-[COPY] Copyright (C) 2011 - 2012 The OpenSDE Project
+[COPY] Copyright (C) 2011 - 2013 The OpenSDE Project
 [COPY]
 [COPY] More information can be found in the files COPYING and README.
 [COPY]
@@ -30,6 +30,6 @@
 [L] LGPL
 [S] Stable
 [V] 1.0.3
-[P] X -----5---9 109.000
+[P] X -?---5---9 109.000
 
 [D] 594356362 libmnl-1.0.3.tar.bz2 http://netfilter.org/projects/libmnl/files/