libarchive: changed to cross-compile if requested

archiver/libarchive/libarchive.desc

@@ -2,7 +2,7 @@
 [COPY] This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 [COPY]
 [COPY] Filename: package/.../libarchive/libarchive.desc
-[COPY] Copyright (C) 2011 The OpenSDE Project
+[COPY] Copyright (C) 2011 - 2012 The OpenSDE Project
 [COPY]
 [COPY] More information can be found in the files COPYING and README.
 [COPY]
@@ -32,6 +32,6 @@
 [L] BSD
 [S] Stable
 [V] 2.8.4
-[P] X -----5---9 120.100
+[P] X -?---5---9 120.100
 
 [D] 2687461630 libarchive-2.8.4.tar.gz http://libarchive.googlecode.com/files/