Call love.jitsetup during thread initialization too.

src/modules/thread/LuaThread.cpp

@@ -24,6 +24,7 @@
 
 #ifdef LOVE_BUILD_STANDALONE
 extern "C" int luaopen_love(lua_State * L);
+extern "C" int luaopen_love_jitsetup(lua_State * L);
 #endif // LOVE_BUILD_STANDALONE
 
 namespace love
@@ -54,6 +55,13 @@ void LuaThread::threadFunction()
  luaL_openlibs(L);
 
 #ifdef LOVE_BUILD_STANDALONE
+ // Call LuaJIT-specific setup again. While it's quite late to call it at
+ // this point, it still needed to turn off JIT compilation (if necessary)
+ // for this thread.
+ luax_preload(L, luaopen_love_jitsetup, "love.jitsetup");
+ luax_require(L, "love.jitsetup");
+ lua_pop(L, 1);
+
  luax_preload(L, luaopen_love, "love");
  luax_require(L, "love");
  lua_pop(L, 1);