Fix properties renaming.

test/codegen/property_rename.golden

@@ -0,0 +1,15 @@
+cbuffer __PROPERTIES : register(b0) 
+{
+    float4 color;
+}
+
+float4 vs_main(float4 pos : POSITION) : SV_POSITION
+{
+    return pos;
+}
+
+float4 ps_main() : SV_TARGET
+{
+    return color;
+}
+