fix(client:auth:guard): declare authService on class

Author: Awk34

Diff for: templates/app/client/components/auth(auth)/auth-guard.service.js

@@ -5,6 +5,8 @@ import { AuthService } from './auth.service';
 
 @Injectable()
 export class AuthGuard implements CanActivate {
+    authService;
+
     static parameters = [AuthService];
     constructor(authService: AuthService) {
         this.authService = authService;