Ship default skin.

(cherry picked from commit 13a05801f885b9f74f6bb606faed13f813552d28)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Makefile.am

@@ -850,7 +850,9 @@ if BUILD_SKINS
 	done
 	for i in $(top_builddir)/share/skins2/*.*; do \
 	  cp -- "$$i" $(win32_destdir)/skins/ || true ; \
-	done
+	done \
+	cp -v share/skins2/default.vlt $(win32_destdir)/skins/ || true ;
+
 endif
 
 if BUILD_OSDMENU