Fix typo: OperationReponse -> OperationResponse

fizz.go

@@ -312,7 +312,7 @@ func Deprecated(deprecated bool) func(*openapi.OperationInfo) {
 // Response adds an additional response to the operation.
 func Response(statusCode, desc string, model interface{}, headers []*openapi.ResponseHeader) func(*openapi.OperationInfo) {
 	return func(o *openapi.OperationInfo) {
-		o.Responses = append(o.Responses, &openapi.OperationReponse{
+		o.Responses = append(o.Responses, &openapi.OperationResponse{
 			Code:        statusCode,
 			Description: desc,
 			Model:       model,

openapi/generator_test.go

@@ -364,13 +364,13 @@ func TestAddOperation(t *testing.T) {
 		Summary:     "ABC",
 		Description: "XYZ",
 		Deprecated:  true,
-		Responses: []*OperationReponse{
-			&OperationReponse{
+		Responses: []*OperationResponse{
+			&OperationResponse{
 				Code:        "400",
 				Description: "Bad Request",
 				Model:       CustomError{},
 			},
-			&OperationReponse{
+			&OperationResponse{
 				Code:        "5XX",
 				Description: "Server Errors",
 			},

openapi/operation.go

@@ -11,7 +11,7 @@ type OperationInfo struct {
 	Description       string
 	Deprecated        bool
 	InputModel        interface{}
-	Responses         []*OperationReponse
+	Responses         []*OperationResponse
 }
 
 // ResponseHeader represents a single header that
@@ -22,9 +22,9 @@ type ResponseHeader struct {
 	Model       interface{}
 }
 
-// OperationReponse represents a single response of an
+// OperationResponse represents a single response of an
 // API operation.
-type OperationReponse struct {
+type OperationResponse struct {
 	// The response code can be "default"
 	// according to OAS3 spec.
 	Code        string