ZipKit的GZip.cs 的Compress方法参数传错了

[weshengyu]

原方法把level当成size传进去了，会报错

        public static void Compress(Stream inStream, Stream outStream, bool isStreamOwner, int level)
		{
			if (inStream == null || outStream == null) {
				throw new Exception("Null Stream");
			}

			try {
				using (GZipOutputStream bzipOutput = new GZipOutputStream(outStream, level)) {
					bzipOutput.IsStreamOwner = isStreamOwner;
					Core.StreamUtils.Copy(inStream, bzipOutput, new byte[4096]);
				}
			} finally {
				if (isStreamOwner) {
					// outStream is closed by the GZipOutputStream if stream owner
					inStream.Dispose();
				}
			}
		}

建议修改为

        public static void Compress(Stream inStream, Stream outStream, bool isStreamOwner, int level)
		{
			if (inStream == null || outStream == null) {
				throw new Exception("Null Stream");
			}

			try {
				using (GZipOutputStream bzipOutput = new GZipOutputStream(outStream)) {
					bzipOutput.SetLevel(level);
					bzipOutput.IsStreamOwner = isStreamOwner;
					Core.StreamUtils.Copy(inStream, bzipOutput, new byte[4096]);
				}
			} finally {
				if (isStreamOwner) {
					// outStream is closed by the GZipOutputStream if stream owner
					inStream.Dispose();
				}
			}
		}