Enable the `no-var` rule in the `src/core/opentype_file_builder.js` file
Enable the `no-var` rule in the `src/core/opentype_file_builder.js` file

These changes were made automatically, using `gulp lint --fix`.

Snuffleupagus/pdf.js,nawawi/pdf.js,xavier114fch/pdf.js,timvandermeij/pdf.js,Shoobx/pdf.js,timvandermeij/pdf.js,mozilla/pdf.js,nawawi/pdf.js,mozilla/pdf.js,macroplant/pdf.js,Shoobx/pdf.js,mozilla/pdf.js,macroplant/pdf.js,nawawi/pdf.js,showpad/mozilla-pdf.js,xavier114fch/pdf.js,timvandermeij/pdf.js,Shoobx/pdf.js,showpad/mozilla-pdf.js,Snuffleupagus/pdf.js,Snuffleupagus/pdf.js,showpad/mozilla-pdf.js,macroplant/pdf.js