Object.dirname is deprecated.

[pabloab]

linter-perl made deprecated calls. Automatic issue generator from Atom:

Argument to path.dirname must be a string

Object.dirname (/usr/share/atom/resources/app.asar/src/electron-shims.js:9:10)
Object.determineRootDirectory (/home/pablo/.atom/packages/linter-perl/lib/util.coffee:33:19)
LinterPerl.lint (/home/pablo/.atom/packages/linter-perl/lib/linter-perl.coffee:72:28)
a.factory (/home/pablo/.atom/packages/atom-ide-ui/modules/atom-ide-ui/pkg/atom-ide-diagnostics/lib/services/LinterAdapter.js:263:42)
a._callFactory (/home/pablo/.atom/packages/atom-ide-ui/node_modules/rxjs/bundles/Rx.min.js:107:23)
a.tryDefer (/home/pablo/.atom/packages/atom-ide-ui/node_modules/rxjs/bundles/Rx.min.js:106:442)