doc/plugin.txt says that 'refresh' is optional. Making sure that it does not
authortokul <tokul@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Tue, 23 Mar 2004 18:00:38 +0000 (18:00 +0000)
committertokul <tokul@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Tue, 23 Mar 2004 18:00:38 +0000 (18:00 +0000)
commit4986e4400fdd5c1641f930f34922b2191f554c38
treec90f0d123232349565fe3d4ecda914912bc16a2d
parentb6974f59c98a35fa4e5b10fad4e7d278dca79857
doc/plugin.txt says that 'refresh' is optional. Making sure that it does not
generate warnings.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@6853 7612ce4b-ef26-0410-bec9-ea0150e637f0
functions/options.php