Fix Vk leak  (#1579)
Fix Vk leak  (#1579)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Handle scope of VkShaderModule.

* Fix tabbing issue.
csyonghe/slang,shader-slang/slang,csyonghe/slang,csyonghe/slang,shader-slang/slang,shader-slang/slang