Use `_n()` in `comments_popup_link()` when setting the default string to display if there are more than one comment.

see #26553.
Built from https://develop.svn.wordpress.org/trunk@31401


git-svn-id: http://core.svn.wordpress.org/trunk@31382 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/comment-template.php

@@ -1290,7 +1290,9 @@ function comments_popup_link( $zero = false, $one = false, $more = false, $css_c
 	}
 	if ( false === $more ) {
 		/* translators: 1: Opening span tag with a class, 2: post title, 3: closing span tag, 4: number of comments */
-		$more = sprintf( __( '%4$d Comments%1$s on %2$s%3$s' ), $span, $title, $span_close, $number );
+		$more = sprintf( _n( '%4$d Comment%1$s on %2$s%3$s', '%4$d Comments%1$s on %2$s%3$s', $number ),
+			$span, $title, $span_close, number_format_i18n( $number )
+		);
 	}
 	if ( false === $none ) {
 		/* translators: 1: Opening span tag with a class, 2: post title, 3: closing span tag */

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31400';
+$wp_version = '4.2-alpha-31401';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.