Set 'tooltip-iwiki' as optional

Spotted by Beta16 in
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Tooltip-iwiki/en

Change-Id: Ib60dd6072728238684112865a5ee0b015d1f2f0c

diff --git a/maintenance/language/messageTypes.inc b/maintenance/language/messageTypes.inc
index d47138d..8676d74 100644 (file)
--- a/maintenance/language/messageTypes.inc
+++ b/maintenance/language/messageTypes.inc
@@ -485,6 +485,7 @@ $wgOptionalMessages = array(
        'limitreport-ppgeneratednodes-value',
        'limitreport-expansiondepth-value',
        'limitreport-expensivefunctioncount-value',
+       'tooltip-iwiki',
 );
 
 /** Exif messages, which may be set as optional in several checks, but are generally mandatory */