General: Normalize RuntimeCommon include paths

Performs the same normalizing done to the RuntimeCommonB target, now all
of the runtime headers have normalized include paths.

Runtime/Graphics/CGraphicsPalette.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
 #include <memory>
-#include "RetroTypes.hpp"
+#include "Runtime/RetroTypes.hpp"
 
 namespace urde {