tree schema REFACTOR move ext definitions to plugins_exts header
diff --git a/src/parser_common.c b/src/parser_common.c
index 79a0f44..4a0e421 100644
--- a/src/parser_common.c
+++ b/src/parser_common.c
@@ -45,6 +45,7 @@
 #include "log.h"
 #include "parser_data.h"
 #include "path.h"
+#include "plugins_exts/metadata.h"
 #include "set.h"
 #include "tree.h"
 #include "tree_data.h"