copas: select lua shared library support

Needed by luasocket.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/copas/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_COPAS
 	bool "copas"
 	select BR2_PACKAGE_COXPCALL
 	select BR2_PACKAGE_LUASOCKET
+	select BR2_PACKAGE_LUA_SHARED_LIBRARY # for luasocket
 	help
 	  Copas is a dispatcher based on coroutines that
 	  can be used by TCP/IP servers.