Improve --version output to include Lua(JIT) version

src/main.cpp

@@ -47,11 +47,19 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "gui/guiEngine.h"
 #include "gui/mainmenumanager.h"
 #endif
-
 #ifdef HAVE_TOUCHSCREENGUI
 	#include "gui/touchscreengui.h"
 #endif
 
+// for version information only
+extern "C" {
+#if USE_LUAJIT
+	#include <luajit.h>
+#else
+	#include <lua.h>
+#endif
+}
+
 #if !defined(SERVER) && \
 	(IRRLICHT_VERSION_MAJOR == 1) && \
 	(IRRLICHT_VERSION_MINOR == 8) && \
@@ -350,6 +358,11 @@ static void print_version()
 		<< " (" << porting::getPlatformName() << ")" << std::endl;
 #ifndef SERVER
 	std::cout << "Using Irrlicht " IRRLICHT_SDK_VERSION << std::endl;
+#endif
+#if USE_LUAJIT
+	std::cout << "Using " << LUAJIT_VERSION << std::endl;
+#else
+	std::cout << "Using " << LUA_RELEASE << std::endl;
 #endif
 	std::cout << g_build_info << std::endl;
 }