Trim empty lines. Nothing but newline.

git-svn-id: https://develop.svn.wordpress.org/trunk@5700 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/wp-db.php

@@ -258,7 +258,7 @@ class wpdb {
 		$this->func_call = "\$db->get_row(\"$query\",$output,$y)";
 		if ( $query )
 			$this->query($query);
-	
+
 		if ( !isset($this->last_result[$y]) )
 			return null;
 
@@ -372,7 +372,7 @@ class wpdb {
 	function bail($message) { // Just wraps errors in a nice header and footer
 		if ( !$this->show_errors )
 			return false;
-		
+
 		header('Content-Type: text/html; charset=utf-8');
 
 		if (strpos($_SERVER['PHP_SELF'], 'wp-admin') !== false)