FIX: RANDOM_PASSWORD not working rake admin:create

We regressed behavior of this env var which enable admin account
creation with a random password

lib/tasks/admin.rake

@@ -65,9 +65,10 @@ task "admin:create" => :environment do
         else
           password = ask("Password:  ") { |q| q.echo = false }
           password_confirmation = ask("Repeat password:  ") { |q| q.echo = false }
-          passwords_match = password == password_confirmation
         end
 
+        passwords_match = password == password_confirmation
+
         say("Passwords don't match, try again...") unless passwords_match
       end while !passwords_match
       admin.password = password