Fix JS error in tmpl-editor-gallery, `'string'.trim()` is not available in IE < 9. See #28089

Built from https://develop.svn.wordpress.org/trunk@28683


git-svn-id: http://core.svn.wordpress.org/trunk@28501 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/media-template.php

@@ -1008,7 +1008,7 @@ function wp_print_media_templates() {
 								<img src="{{ attachment.url }}" />
 							<# } #>
 						</dt>
-						<# if ( attachment.caption.trim() ) { #>
+						<# if ( attachment.caption ) { #>
 							<dd class="wp-caption-text gallery-caption">
 								{{ attachment.caption }}
 							</dd>

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.0-alpha-20140605';
+$wp_version = '4.0-alpha-20140606';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.