bin/dotter in dotter_dotfiles-0.2.0 vs bin/dotter in dotter_dotfiles-0.3.0

@@ -6,10 +6,10 @@
     begin
       require 'bundler/setup'
     rescue LoadError => e
       warn e.message
       warn "Run `gem install bundler` to install Bundler"
-      exit -1
+      exit(-1)
     end
   end
 end
 require 'dotter/cli'
 Dotter::CLI.start(ARGV)