schema tree CHANGE better checking of name collisions
diff --git a/src/tree_schema_internal.h b/src/tree_schema_internal.h
index 0c5c3ac..0bc2443 100644
--- a/src/tree_schema_internal.h
+++ b/src/tree_schema_internal.h
@@ -43,6 +43,7 @@
  */
 struct ly_parser_ctx {
     struct ly_ctx *ctx;
+    struct lysp_module *mod;
     uint64_t line;      /* line number */
     uint64_t indent;    /* current position on the line for YANG indentation */
 };