slack: fix log typo

rhodecode/integrations/types/slack.py

@@ -192,7 +192,7 b' def html_to_slack_links(message):'
 
 @task(ignore_result=True)
 def post_text_to_slack(settings, text):
-    log.debug('sending %s to slack %s' % (text, settings['service'])
+    log.debug('sending %s to slack %s' % (text, settings['service']))
     resp = requests.post(settings['service'], json={
         "channel": settings.get('channel', ''),
         "username": settings.get('username', 'Rhodecode'),