About: Add a fallback `-webkit-calc()` to `about.css`

We forgot to run `grunt precommit` before [35834] was committed.

This change doesn't need to be backported to the 4.4 branch, as it only affects Chrome < 26, it's really just to clean up the behaviour of `grunt precommit`.

See #34663.



Built from https://develop.svn.wordpress.org/trunk@35862


git-svn-id: http://core.svn.wordpress.org/trunk@35826 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/about-rtl.css

@@ -145,6 +145,7 @@
 	display: inline-block;
 	float: none;
 	margin-left: 4.799999999%;
+	width: -webkit-calc( 47.6% - 4px );
 	width: calc( 47.6% - 4px );
 	vertical-align: middle;
 }

wp-admin/css/about.css

@@ -145,6 +145,7 @@
 	display: inline-block;
 	float: none;
 	margin-right: 4.799999999%;
+	width: -webkit-calc( 47.6% - 4px );
 	width: calc( 47.6% - 4px );
 	vertical-align: middle;
 }

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-35861';
+$wp_version = '4.5-alpha-35862';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.