[-] BO : remove sprintf() which are unnecessary

git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@14355 b9a71923-0436-4b27-9f14-aed3839534dd

classes/CustomerMessage.php

@@ -86,11 +86,11 @@ class CustomerMessageCore extends ObjectModel
 				FROM '._DB_PREFIX_.'customer_message
 			');
 		else
-			return (int)Db::getInstance()->getValue(sprintf('
+			return (int)Db::getInstance()->getValue('
 				SELECT COUNT(*)
 				FROM '._DB_PREFIX_.'customer_message
-				WHERE %s
-			', $where));
+				WHERE '.$where
+			);
 	}
 
 }