Get rid of MSVC's __int64

Use either int64_t, uint64_t or long long and unsigned long long, defined as per C++11 standard

Minecraft.World/Random.h

@@ -3,21 +3,21 @@
 class Random
 {
 private:
-	__int64 seed;
+	int64_t seed;
 	bool haveNextNextGaussian;
 	double nextNextGaussian;
 protected:
 	int next(int bits);
 public:
 	Random();
-	Random(__int64 seed);
-	void setSeed(__int64 s);
+	Random(int64_t seed);
+	void setSeed(int64_t s);
 	void nextBytes(byte *bytes, unsigned int count);
 	double nextDouble();
 	double nextGaussian();
 	int nextInt();
 	int nextInt(int to);
 	float nextFloat();
-	__int64 nextLong();
+	int64_t nextLong();
 	bool nextBoolean();
 };