Make build work on OS X
Make build work on OS X

mktemp takes different arguments on OS (the template is required).

See http://ci.bazel.io/job/rules_closure/BAZEL_VERSION=HEAD,PLATFORM_NAME=darwin-x86_64/1/console.

bazelbuild/rules_closure,jart/rules_closure,SalzzZ/rules_closure,gramic/rules_closure,SalzzZ/rules_closure,gramic/rules_closure,SalzzZ/rules_closure,jart/rules_closure,jart/rules_closure,jart/rules_closure,jart/rules_closure,gramic/rules_closure,bazelbuild/rules_closure,bazelbuild/rules_closure,gramic/rules_closure,SalzzZ/rules_closure,bazelbuild/rules_closure,SalzzZ/rules_closure