Index: cdr_addon_mysql.c
===================================================================
--- cdr_addon_mysql.c	(revision 487)
+++ cdr_addon_mysql.c	(working copy)
@@ -288,8 +288,8 @@
 
 	AST_LIST_LOCK(&unload_strings);
 	while ((us = AST_LIST_REMOVE_HEAD(&unload_strings, entry))) {
-		free(us->str);
-		free(us);
+		ast_free(us->str);
+		ast_free(us);
 	}
 	AST_LIST_UNLOCK(&unload_strings);
 	
@@ -308,7 +308,7 @@
 		return -1;
 
 	if (!(*field = ast_str_create(16))) {
-		free(us);
+		ast_free(us);
 		return -1;
 	}