Case terms to int so we don't try to create new terms with the term ids as the names. fixes #4920

git-svn-id: https://develop.svn.wordpress.org/trunk@6050 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/taxonomy.php

@@ -680,6 +680,7 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
 			$terms = array($default);
 		else
 			$terms = array_diff($terms, array($term));
+		$terms = array_map('intval', $terms);
 		wp_set_object_terms($object, $terms, $taxonomy);
 	}