Restore default $defaultDateFormat in sk (Slovak)

Follow-up to b321f48d80db27ecff3d9d88c6881c63f27b86c0
As spotted in https://sk.wikipedia.org/?diff=6358764 , cs has
$defaultDateFormat = 'ČSN basic dt' which is not defined in sk.
Restore the "dmy" default which sk used to inherit from en and
which is defined below.

Change-Id: I1c7e7f71587c95090f3bb0bfe58eb013485970bd

diff --git a/languages/messages/MessagesSk.php b/languages/messages/MessagesSk.php
index 2d04f63..40dc198 100644 (file)
--- a/languages/messages/MessagesSk.php
+++ b/languages/messages/MessagesSk.php
@@ -138,6 +138,8 @@ $datePreferenceMigrationMap = [
        'short tdmy',
 ];
 
+$defaultDateFormat = 'dmy';
+
 $dateFormats = [
        /*
        'Default',