Fix memory leak in the config parser

refs #7566

diff --git a/lib/config/config_parser.yy b/lib/config/config_parser.yy
index 2e0b1da0dd43a487549111d21bb87664c247b41a..0b801f5f18e163557546bfb9c47ed713dab87830 100644 (file)
--- a/lib/config/config_parser.yy
+++ b/lib/config/config_parser.yy
@@ -530,6 +530,7 @@ indexer: identifier
        {
                $$ = $2;
                $$->Insert(0, MakeLiteral($1));
+               free($1);
        }
        ;