Eslint fixes

packages/rocketchat-sandstorm/server/powerbox.js

@@ -14,7 +14,7 @@ if (process.env.SANDSTORM === '1') {
 		var cap = waitPromise(api.restore(new Buffer(token, 'base64'))).cap;
 		return waitPromise(session.offer(cap, undefined, {tags: [{
 			id: '15831515641881813735',
-			value: new Buffer(seriliazedDescriptor, 'base64'),
+			value: new Buffer(seriliazedDescriptor, 'base64')
 		}]}));
 	};
 
@@ -37,7 +37,7 @@ if (process.env.SANDSTORM === '1') {
 				appTitle: appTitle,
 				appIconUrl: appIconUrl,
 				grainTitle: grainTitle,
-				descriptor: descriptor.tags[0].value.toString('base64'),
+				descriptor: descriptor.tags[0].value.toString('base64')
 			};
 		},
 		sandstormOffer: function(token, seriliazedDescriptor) {