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/Audio/CAudioGroupSet.hpp

@@ -1,11 +1,15 @@
 #pragma once
 
-#include "RetroTypes.hpp"
-#include "CFactoryMgr.hpp"
-#include "IObj.hpp"
-#include "CToken.hpp"
-#include "IOStreams.hpp"
-#include "amuse/AudioGroupData.hpp"
+#include <memory>
+#include <string>
+
+#include "Runtime/CFactoryMgr.hpp"
+#include "Runtime/CToken.hpp"
+#include "Runtime/IOStreams.hpp"
+#include "Runtime/IObj.hpp"
+#include "Runtime/RetroTypes.hpp"
+
+#include <amuse/AudioGroupData.hpp>
 
 namespace urde {