Fix up some stuff from previous pull request

lib/vagrant/driver/virtualbox.rb

@@ -122,12 +122,12 @@ module Vagrant
         output = execute("--version")
         if output =~ /vboxdrv kernel module is not loaded/
           raise Errors::VirtualBoxKernelModuleNotLoaded
-        # Check for installation incomplete warnings, for example:
-        # "WARNING: The character device /dev/vboxdrv does not
-        # exist. Please install the virtualbox-ose-dkms package and
-        # the appropriate headers, most likely linux-headers-generic."
         elsif output =~ /Please install/
-          raise Errors::VirtualBoxInstallIncomplete
+          # Check for installation incomplete warnings, for example:
+          # "WARNING: The character device /dev/vboxdrv does not
+          # exist. Please install the virtualbox-ose-dkms package and
+          # the appropriate headers, most likely linux-headers-generic."
+           raise Errors::VirtualBoxInstallIncomplete
         end
 
         parts = output.split("_")

lib/vagrant/errors.rb

@@ -389,7 +389,7 @@ module Vagrant
     end
 
     class VirtualBoxInstallIncomplete < VagrantError
-      status_code(79)
+      status_code(80)
       error_key(:virtualbox_install_incomplete)
     end