Merge pull request #2452 from Dolibarr/scrutinizer-patch-3

Scrutinizer Auto-Fixes

htdocs/categories/class/categorie.class.php

@@ -1000,7 +1000,7 @@ class Categorie extends CommonObject
 	/**
 	 * 	Check if no category with same label already exists for this cat's parent or root and for this cat's type
 	 *
-	 * 	@return		boolean		1 if already exist, 0 otherwise, -1 if error
+	 * 	@return		integer		1 if already exist, 0 otherwise, -1 if error
 	 */
 	function already_exists()
 	{