RenderGraph: Added spaces for `prefixdir`

packages/r/rendergraph/xmake.lua

@@ -21,8 +21,8 @@ package("rendergraph")
                 add_files("source/RenderGraph/*.cpp")
                 set_languages("c++20")
                 add_defines("RenderGraph_EXPORTS")
-                add_headerfiles("include/RenderGraph/RunnablePasses/*.hpp", {prefixdir="RenderGraph/RunnablePasses"})
-                add_headerfiles("include/RenderGraph/*.hpp", {prefixdir="RenderGraph"})
+                add_headerfiles("include/RenderGraph/RunnablePasses/*.hpp", {prefixdir = "RenderGraph/RunnablePasses"})
+                add_headerfiles("include/RenderGraph/*.hpp", {prefixdir = "RenderGraph"})
                 add_packages("vulkan-headers")
         ]])
         import("package.tools.xmake").install(package)