Comments: Merge similar strings between comments.php and the REST API comments controller.

Merges [39490] to the 4.7 branch.

Props ramiy.
Fixes #39014 for 4.7.

Built from https://develop.svn.wordpress.org/branches/4.7@39491


git-svn-id: http://core.svn.wordpress.org/branches/4.7@39431 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/comment.php

@@ -3059,7 +3059,7 @@ function wp_handle_comment_submission( $comment_data ) {
 		}
 	} else {
 		if ( get_option( 'comment_registration' ) ) {
-			return new WP_Error( 'not_logged_in', __( 'Sorry, you must be logged in to post a comment.' ), 403 );
+			return new WP_Error( 'not_logged_in', __( 'Sorry, you must be logged in to comment.' ), 403 );
 		}
 	}
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-RC2-39489';
+$wp_version = '4.7-RC2-39491';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.