Fix `vagrant package` to avoid nil errors [GH-1423]

CHANGELOG.md

@@ -10,6 +10,7 @@ BUG FIXES:
   - Quote keys to StringBlockEditor so keys with spaces, parens, and
     so on work properly.
   - When there is no route to host for SSH, re-establish a new connection.
+  - `vagrant package` once again works, no more nil error. [GH-1423]
 
 ## 1.1.0 (March 14, 2013)
 

lib/vagrant/action/general/package.rb

@@ -22,7 +22,7 @@ module Vagrant
           @app = app
 
           env["package.files"]  ||= {}
-          env["package.output"] ||= env["global_config"].package.name
+          env["package.output"] ||= env[:global_config].package.name
         end
 
         def call(env)