redirect io right after daemonizing so startup errors are shown. Fixes #359

lib/puma/single.rb

@@ -73,6 +73,7 @@ module Puma
         if daemon?
           log "* Daemonizing..."
           Process.daemon(true)
+          redirect_io
         end
 
         load_and_bind
@@ -84,12 +85,11 @@ module Puma
 
       @server = server = start_server
 
-      unless @options[:daemon]
+      unless daemon?
         log "Use Ctrl-C to stop"
+        redirect_io
       end
 
-      redirect_io
-
       @cli.events.fire_on_booted!
 
       begin