revert temporary changes that disabled compression

fix https://github.com/chrislusf/seaweedfs/issues/2362

weed/storage/needle/needle_parse_upload.go

@@ -75,16 +75,14 @@ func ParseUpload(r *http.Request, sizeLimit int64, bytesBuffer *bytes.Buffer) (p
 		if mimeType == "application/octet-stream" {
 			mimeType = ""
 		}
-		if false {
-			if shouldBeCompressed, iAmSure := util.IsCompressableFileType(ext, mimeType); mimeType == "" && !iAmSure || shouldBeCompressed && iAmSure {
-				// println("ext", ext, "iAmSure", iAmSure, "shouldBeCompressed", shouldBeCompressed, "mimeType", pu.MimeType)
-				if compressedData, err := util.GzipData(pu.Data); err == nil {
-					if len(compressedData)*10 < len(pu.Data)*9 {
-						pu.Data = compressedData
-						pu.IsGzipped = true
-					}
-					// println("gzipped data size", len(compressedData))
+		if shouldBeCompressed, iAmSure := util.IsCompressableFileType(ext, mimeType); mimeType == "" && !iAmSure || shouldBeCompressed && iAmSure {
+			// println("ext", ext, "iAmSure", iAmSure, "shouldBeCompressed", shouldBeCompressed, "mimeType", pu.MimeType)
+			if compressedData, err := util.GzipData(pu.Data); err == nil {
+				if len(compressedData)*10 < len(pu.Data)*9 {
+					pu.Data = compressedData
+					pu.IsGzipped = true
 				}
+				// println("gzipped data size", len(compressedData))
 			}
 		}
 	}