Tidying up Miniz compression code.

library/PolyVoxCore/include/PolyVoxCore/MinizCompressor.h

@@ -16,12 +16,12 @@ namespace PolyVox
 		uint32_t decompress(void* pSrcData, uint32_t uSrcLength, void* pDstData, uint32_t uDstLength);
 	
 	private:
-		int m_iCompressionLevel;
+		unsigned int m_uCompressionFlags;
 
 		// tdefl_compressor contains all the state needed by the low-level compressor so it's a pretty big struct (~300k).
 		// We're storing it by void* because miniz does not supply a header and we don't want to include the .c file from 
 		// here as it will cause linker problems.
-		void* g_deflator;
+		void* m_pDeflator;
 	};
 }