Fix console blocks in policy.asc

Author: crd

book/08-customizing-git/sections/policy.asc

@@ -239,7 +239,7 @@ error: failed to push some refs to 'git@gitserver:project.git'
 There are a couple of interesting things here.
 First, you see this where the hook starts running.
 
-[source]
+[source,console]
 ----
 Enforcing Policies...
 (refs/heads/master) (fb8c72) (c56860)
@@ -250,7 +250,7 @@ Anything your script echoes to `stdout` will be transferred to the client.
 
 The next thing you'll notice is the error message.
 
-[source]
+[source,console]
 ----
 [POLICY] Your message is not formatted correctly
 error: hooks/update exited with error code 1
@@ -260,7 +260,7 @@ error: hook declined to update refs/heads/master
 The first line was printed out by you, the other two were Git telling you that the update script exited non-zero and that is what is declining your push.
 Lastly, you have this:
 
-[source]
+[source,console]
 ----
 To git@gitserver:project.git
  ! [remote rejected] master -> master (hook declined)
@@ -272,7 +272,7 @@ You'll see a remote rejected message for each reference that your hook declined,
 Furthermore, if someone tries to edit a file they don't have access to and push a commit containing it, they will see something similar.
 For instance, if a documentation author tries to push a commit modifying something in the `lib` directory, they see
 
-[source]
+[source,console]
 ----
 [POLICY] You do not have access to push to lib/test.rb
 ----