Unquoted 'OidcScopes' key when using OpenID Connect #836

Hi all,

I have a problem with codegen when OpenID Connect security scheme is defined in spec:

security:
  - oidc:
      - openid
components:
  securitySchemes:
    oidc:
      type: openIdConnect
      openIdConnectUrl: <url>

The codegen generates such wrappers for all endpoints:

func (siw *ServerInterfaceWrapper) CreateResourceX(c *gin.Context) {

	c.Set(OidcScopes, []string{"openid"})

	for _, middleware := range siw.HandlerMiddlewares {
		middleware(c)
	}

	siw.Handler.CreateResourceX(c)
}

context.Set accepts only strings as keys (and OidcScopes is an unknown thing for the compiler), so I suppose that it should be quoted.