User wp_safe_redirect for... safety

lib/IMCPress/User/Contributor.php

@@ -123,8 +123,8 @@ class Contributor {
 		$admin_pages = array(
 			'tools.php',
 		);
-		if ( in_array( $last, $admin_pages ) ) {
-			wp_redirect( admin_url() );
+		if ( in_array( $last, $admin_pages, true ) ) {
+			wp_safe_redirect( admin_url() );
 			exit;
 		}
 	}