Fix bug in subdomain verification

When there is verification error and "reason" is present, no reply was
returned to client causing django exception:

ValueError: The view pyi2phosts.postkey.views.subdomain didn't return an
HttpResponse object.

pyi2phosts/postkey/views.py

@@ -133,10 +133,10 @@ def subdomain(request):
 				elif hasattr(e, 'code'):
 					log.warning('%s can\'t finish the request, error code: %s',
 							request.session['topdomain'], e.code)
-					return render_to_response('subdomain_http_verify_failure.html', {
+				return render_to_response('subdomain_http_verify_failure.html', {
-						'title': settings.SITE_NAME,
+					'title': settings.SITE_NAME,
-						'code': e.code,
+					'code': e.code,
-						}, context_instance=RequestContext(request))
+					}, context_instance=RequestContext(request))
 			else:
 				log.debug('subdomain verification success, saving host')
 				s = save_host(request)