Added one more LinkedIn scope

Author: logical-and

src/OAuth2/Service/Linkedin.php

@@ -27,6 +27,7 @@ class Linkedin extends AbstractService {
 	const SCOPE_RW_COMPANY_ADMIN = 'rw_company_admin';
 	const SCOPE_RW_GROUPS        = 'rw_groups';
 	const SCOPE_W_MESSAGES       = 'w_messages';
+	const SCOPE_W_SHARE          = 'w_share';
 
 	protected $baseApiUri = 'https://api.linkedin.com/{apiVersion}/';
 	protected $authorizationEndpoint = 'https://www.linkedin.com/uas/oauth2/authorization';