href added to detect font-awesome
href added to detect font-awesome

Font awesome was not being detected. It was returning null on line 59. Added href to correct the issue.
ackimwilliams/angular-dialog-service,freakabcd/angular-dialog-service,2947721120/angular-dialog-service,2947721120/angular-dialog-service,cgoessen/angular-dialog-service,freakabcd/angular-dialog-service,felipecaputo/angular-dialog-service,felipecaputo/angular-dialog-service,ackimwilliams/angular-dialog-service,zpzgone/angular-dialog-service,m-e-conroy/angular-dialog-service,cgoessen/angular-dialog-service,m-e-conroy/angular-dialog-service,zpzgone/angular-dialog-service