diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php
index 717e3dde0f..708577e77f 100644
--- a/wp-admin/includes/class-wp-upgrader.php
+++ b/wp-admin/includes/class-wp-upgrader.php
@@ -464,6 +464,8 @@ class Plugin_Upgrader extends WP_Upgrader {
 
 		$this->maintenance_mode(true);
 
+		$results = array();
+
 		$all = count($plugins);
 		$i = 1;
 		foreach ( $plugins as $plugin ) {
diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 8f0aa7fd14..5069c8786f 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -1374,7 +1374,6 @@ function make_clickable($ret) {
  * @return string Converted content.
  */
 function wp_rel_nofollow( $text ) {
-	global $wpdb;
 	// This is a pre save filter, so text is already escaped.
 	$text = stripslashes($text);
 	$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
@@ -2470,6 +2469,7 @@ function sanitize_option($option, $value) {
 		case 'comments_per_page':
 		case 'thread_comments_depth':
 		case 'users_can_register':
+		case 'start_of_week':
 			$value = absint( $value );
 			break;
 
diff --git a/wp-includes/query.php b/wp-includes/query.php
index 4b352b728f..b19621b99c 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -2365,8 +2365,8 @@ class WP_Query {
 				foreach ( $stickies as $sticky_post ) {
 					if ( 'publish' != $sticky_post->post_status )
 						continue;
-						array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
-						$sticky_offset++;
+					array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
+					$sticky_offset++;
 				}
 			}
 		}