package/lighttpd: do not select Lua, depend on it

Lua is a provider for the virtual package lua-interpreter, so it cannot
be selected, as explained in the manual.

Turn the 'select' into a 'depends on'.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lighttpd/Config.in

@@ -52,7 +52,7 @@ config BR2_PACKAGE_LIGHTTPD_WEBDAV
 
 config BR2_PACKAGE_LIGHTTPD_LUA
 	bool "lua support"
-	select BR2_PACKAGE_LUA
+	depends on BR2_PACKAGE_LUA
 	help
 	  Enable Lua support. Needed to support mod_magnet