Revert "Get rid of MSVC's __int64"

This reverts commit d63f79325f.

Minecraft.World/FileHeader.h

@@ -96,7 +96,7 @@ public:
 
 	};
 
-	int64_t lastModifiedTime;			// 8B
+	__int64 lastModifiedTime;			// 8B
 };
 
 typedef FileEntrySaveDataV2 FileEntrySaveData;
@@ -122,7 +122,7 @@ public:
 		currentFilePointer = data.startOffset;
 	}
 
-	unsigned int getFileSize() { return data.length; }
+	unsigned int getFileSize() { return data.length; }	
 	bool isRegionFile() { return data.filename[0] == 0; }				// When using ConsoleSaveFileSplit only
 	unsigned int getRegionFileIndex() { return data.regionIndex; }		// When using ConsoleSaveFileSplit only
 
@@ -185,7 +185,7 @@ protected:
 	vector<FileEntry *> *getDatFilesWithMacAndUserID(const PlayerUID& pUID);
 	vector<FileEntry *> *getDatFilesWithPrimaryUser();
 #endif
-
+	
 	void setSaveVersion(int version) { m_saveVersion = version; }
 	int getSaveVersion() { return m_saveVersion; }
 	void setOriginalSaveVersion(int version) { m_originalSaveVersion = version; }
@@ -199,5 +199,5 @@ protected:
 	void setEndian(ByteOrder endian) { m_saveEndian = endian; }
 	static ByteOrder getEndian(ESavePlatform plat);
 	bool isLocalEndianDifferent(ESavePlatform plat){return m_localEndian != getEndian(plat); }
-
+	
 };