config_format: adjust leak fix

Signed-off-by: David Korczynski <[email protected]>

Author: DavidKorczynski

src/config_format/flb_cf_yaml.c

@@ -2041,7 +2041,12 @@ static int read_config(struct flb_cf *conf, struct local_ctx *ctx,
     yaml_parser_delete(&parser);
 
     /* free all remaining states */
-    while (state = state_pop(ctx));
+    if (code == -1) {
+        while (state = state_pop(ctx));
+    }
+    else {
+        state = state_pop(ctx);
+    }
 
     fclose(fh);
     ctx->level--;