Review fix

Author: megaadam

reader.go

@@ -332,7 +332,7 @@ func decodeLineOfMasterPlaylist(p *MasterPlaylist, state *decodingState, line st
 			case "CHANNELS":
 				channels, err := strconv.Atoi(v)
 				if err != nil {
-					return fmt.Errorf("non-integer value \"%s\" for CHANNELS attribute", v)
+					return fmt.Errorf("non-integer value %q for CHANNELS attribute", v)
 				}
 				alt.Channels = uint(channels)
 			}

writer.go

@@ -155,12 +155,12 @@ func (p *MasterPlaylist) Encode() *bytes.Buffer {
 					p.buf.WriteString(alt.URI)
 					p.buf.WriteRune('"')
 				}
-				p.buf.WriteRune('\n')
 				if alt.Channels != 0 {
 					p.buf.WriteString(",CHANNELS=\"")
 					p.buf.WriteString(strconv.FormatUint(uint64(alt.Channels), 10))
 					p.buf.WriteRune('"')
 				}
+				p.buf.WriteRune('\n')
 			}
 		}
 		if pl.Iframe {