Customize: Add a RTL version of "browser.png" for the site icon preview.

Props sidati.
Fixes #37063.
Built from https://develop.svn.wordpress.org/trunk@37963


git-svn-id: http://core.svn.wordpress.org/trunk@37904 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/customize/class-wp-customize-site-icon-control.php

@@ -64,7 +64,7 @@ class WP_Customize_Site_Icon_Control extends WP_Customize_Cropped_Image_Control
 				<# if ( data.attachment.sizes ) { #>
 					<div class="site-icon-preview">
 						<div class="favicon-preview">
-							<img src="<?php echo esc_url( admin_url( 'images/browser.png' ) ); ?>" class="browser-preview" width="182" alt="" />
+							<img src="<?php echo esc_url( admin_url( 'images/' . ( is_rtl() ? 'browser-rtl.png' : 'browser.png' ) ) ); ?>" class="browser-preview" width="182" alt="" />
 
 							<div class="favicon">
 								<img id="preview-favicon" src="{{ data.attachment.sizes.full.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>

wp-includes/media-template.php

@@ -1240,7 +1240,7 @@ function wp_print_media_templates() {
 		<h2><?php _e( 'Preview' ); ?></h2>
 		<strong aria-hidden="true"><?php _e( 'As a browser icon' ); ?></strong>
 		<div class="favicon-preview">
-			<img src="images/browser.png" class="browser-preview" width="182" height="" alt="" />
+			<img src="<?php echo esc_url( admin_url( 'images/' . ( is_rtl() ? 'browser-rtl.png' : 'browser.png' ) ) ); ?>" class="browser-preview" width="182" height="" alt="" />
 
 			<div class="favicon">
 				<img id="preview-favicon" src="{{ data.url }}" alt="<?php esc_attr_e( 'Preview as a browser icon' ); ?>"/>

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-beta1-37962';
+$wp_version = '4.6-beta1-37963';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.