Revert "Get rid of MSVC's __int64"

This reverts commit d63f79325f.

Minecraft.World/ChunkStorageProfileDecorator.h

@@ -8,10 +8,10 @@ class ChunkStorageProfilerDecorator : public ChunkStorage
 private:
 	ChunkStorage *capsulated;
 
-	int64_t timeSpentLoading;
-	int64_t loadCount;
-	int64_t timeSpentSaving;
-	int64_t saveCount;
+	__int64 timeSpentLoading;
+	__int64 loadCount;
+	__int64 timeSpentSaving;
+	__int64 saveCount;
 
 	int counter;