package/lua-sdl2: fix install path

WITH_LUAVER must be set with a value depending of Lua interpreter,
by this way, the module is installed in the correct location

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Tested-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit f2d1ec39e4a86d223de686ed86a48e7b59bd7689)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lua-sdl2/lua-sdl2.mk

@@ -10,7 +10,15 @@ LUA_SDL2_LICENSE = ISC
 LUA_SDL2_LICENSE_FILES = LICENSE
 LUA_SDL2_DEPENDENCIES = luainterpreter sdl2
 
-LUA_SDL2_CONF_OPTS += -DWITH_LUAVER=user -DLUA_INCLUDE_DIR=$(STAGING_DIR)/usr/include
+ifeq ($(BR2_PACKAGE_LUAJIT),y)
+LUA_SDL2_LUAVER = JIT
+else ifeq ($(BR2_PACKAGE_LUA_5_3),y)
+LUA_SDL2_LUAVER = 53
+else
+LUA_SDL2_LUAVER = 51
+endif
+
+LUA_SDL2_CONF_OPTS += -DWITH_LUAVER=$(LUA_SDL2_LUAVER) -DLUA_INCLUDE_DIR=$(STAGING_DIR)/usr/include
 
 ifeq ($(BR2_PACKAGE_SDL2_IMAGE),y)
 LUA_SDL2_DEPENDENCIES += sdl2_image