hswaw/customs: send cron mails to both

Change-Id: I9776ee7eadc77f8bddf09eee7dee6331f9088c29
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1457
Reviewed-by: informatic <informatic@hackerspace.pl>
diff --git a/hswaw/machines/customs.hackerspace.pl/update_authorized_keys.py b/hswaw/machines/customs.hackerspace.pl/update_authorized_keys.py
index 2b336f2..4e86b0e 100755
--- a/hswaw/machines/customs.hackerspace.pl/update_authorized_keys.py
+++ b/hswaw/machines/customs.hackerspace.pl/update_authorized_keys.py
@@ -75,7 +75,7 @@
             logging.info('Creating new "authorized_keys" file')
             os.rename(new_file, old_file)
         elif filecmp.cmp(new_file, old_file, shallow=False):
-            logging.info('Nothing changed - "authorized_keys" file is up to date')
+            logging.debug('Nothing changed - "authorized_keys" file is up to date')
             new_file.unlink()
         else:
             logging.info('Keys changed - overwriting "authorized_keys" file')