Update luvit FFI module path detection logic.

src/pre_generated-zmq.nobj.c

@@ -1054,7 +1054,8 @@ static const char zmq_ffi_lua_code[] = "local ffi=require\"ffi\"\n"
 "if p_config == nil and p_cpath == nil then\n"
 "	ffi_load_cmodule = function(name, global)\n"
 "		for path,module in pairs(package.loaded) do\n"
-"			if type(module) == 'string' and path:match(name) == name then\n"
+"print(\"luvit cmodule:\", path, module)\n"
+"			if module == name then\n"
 "				local C, err = ffi_safe_load(path, global)\n"
 "				-- return opened library\n"
 "				if C then return C end\n"