Author: Stefan Seyfried <seife+obs@b1-systems.com>

New tar defaults create PAX archives which have two problems:
* VLC cannot read them
* they contain atime and thus the build time
Avoid this by passign "--format=ustar" to tar when creating skins2/default.vlt

Index: b/share/Makefile.am
===================================================================
--- a/share/Makefile.am
+++ b/share/Makefile.am
@@ -79,7 +79,7 @@ skins2/default.vlt: $(skins2_default_vlt
 	mkdir -p skins2
 	(cd "$(srcdir)/skins2"; find default -print0 | \
 		LC_ALL=C sort -z | \
-		tar cvv --exclude .svn --no-recursion --null -T -) | \
+		tar cvv --format=ustar --exclude .svn --no-recursion --null -T -) | \
 	gzip -n > skins2/default.vlt
 
 #