reapply workaround fix

Author: mercury233

premake5.lua

@@ -520,7 +520,7 @@ workspace "YGOPro"
     for _, dep in ipairs(DEPENDENCIES_METADATA) do
         if _G["BUILD_" .. string.upper(dep.name)] then
             -- Build dependency as subproject, using our pre-provided premake script (copy from the premake directory of the project before running premake)
-            include(path.join(dep.source_dir or dep.name, "."))
+            include((dep.source_dir or dep.name) .. "/.")
         end
     end
     if USE_AUDIO then