refactor: fix remaining x64 compilation issues

src/ZoneLoading/Game/IW4/ContentLoaderIW4.h

@@ -1,4 +1,5 @@
 #pragma once
+
 #include "Game/IW4/IW4.h"
 #include "Loading/ContentLoaderBase.h"
 #include "Loading/IContentLoadingEntryPoint.h"
@@ -7,17 +8,18 @@ namespace IW4
 {
     class ContentLoader final : public ContentLoaderBase, public IContentLoadingEntryPoint
     {
-        XAsset* varXAsset;
-        ScriptStringList* varScriptStringList;
+    public:
+        ContentLoader();
 
+        void Load(Zone* zone, IZoneInputStream* stream) override;
+
+    private:
         void LoadScriptStringList(bool atStreamStart);
 
         void LoadXAsset(bool atStreamStart) const;
         void LoadXAssetArray(bool atStreamStart, size_t count);
 
-    public:
-        ContentLoader();
-
-        void Load(Zone* zone, IZoneInputStream* stream) override;
+        XAsset* varXAsset;
+        ScriptStringList* varScriptStringList;
     };
 } // namespace IW4

src/ZoneLoading/Zone/Stream/IZoneInputStream.h

@@ -25,7 +25,7 @@ public:
         LoadDataInBlock(const_cast<void*>(reinterpret_cast<const void*>(dst)), sizeof(T));
     }
 
-    template<typename T> void Load(T* dst, const uint32_t count)
+    template<typename T> void Load(T* dst, const size_t count)
     {
         LoadDataInBlock(const_cast<void*>(reinterpret_cast<const void*>(dst)), count * sizeof(T));
     }