Fix missing import in mediawiki.ui

The .box-sizing() LESS function was moved in:

https://gerrit.wikimedia.org/r/#/c/127843/

And the usage in forms.less wasn't finding it anymore.

Change-Id: I7ae97bd5d4aa113af039182ff39817926bbbf3ed

diff --git a/resources/src/mediawiki.ui/components/default/forms.less b/resources/src/mediawiki.ui/components/default/forms.less
index 6157fa2..2b9b3cb 100644 (file)
--- a/resources/src/mediawiki.ui/components/default/forms.less
+++ b/resources/src/mediawiki.ui/components/default/forms.less
@@ -1,5 +1,6 @@
 // Form elements and layouts
 
+@import "mediawiki.mixins";
 @import "../../mixins/utilities";
 @import "../../mixins/forms";