revert var name change

content.go

@@ -32,7 +32,7 @@ type Content struct {
  SourceRelationship int `json:"sourcerelationship,omitempty"` // 0 = indirect, 1 = direct.
  Length int `json:"len,omitempty"` // Length of content in seconds; appropriate for video or audio.
  Language string `json:"language,omitempty"` // Content language using ISO-639-1-alpha-2.
- LanguageB string `json:"langb,omitempty"` // Content language using IETF BCP 47. Only one of language or langb should be present.
+ LangB  string `json:"langb,omitempty"` // Content language using IETF BCP 47. Only one of language or langb should be present.
  Embeddable int `json:"embeddable,omitempty"` // Indicator of whether or not the content is embeddable (e.g., an embeddable video player), where 0 = no, 1 = yes.
  Data []Data `json:"data,omitempty"` // Additional content data.
  Network *ChannelEntity `json:"network,omitempty"` // Details about the network the content is on.