Fixed jshint warning
Fixed jshint warning

beni55/ManifoldJS,dragthor/ManifoldJS,maitret/ManifoldJS,f2bo/ManifoldJS,NoobsArePeople2/ManifoldJS,AuyaJackie/ManifoldJS,f2bo/ManifoldJS,manifoldjs/ManifoldJS,ArchivedRepos/ManifoldJS,f2bo/ManifoldJS-lib,BobJavascript/ManifoldJS,f2bo/ManifoldJS-lib