[gjs/mozjs91] Add js/GCAPI header.

[Evan Welsh <ewlsh src gnome org>]

commit 9aaeef1c480def30c6ae817d2087091a154459b9
Author: Evan Welsh <contact evanwelsh com>
Date:   Fri Aug 6 17:22:08 2021 -0700

    Add js/GCAPI header.

 gjs/jsapi-util-root.h | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gjs/jsapi-util-root.h b/gjs/jsapi-util-root.h
index 6758c722..ee67addc 100644
--- a/gjs/jsapi-util-root.h
+++ b/gjs/jsapi-util-root.h
@@ -18,6 +18,7 @@
 #include <glib-object.h>
 #include <glib.h>
 
+#include <js/GCAPI.h>
 #include <js/TracingAPI.h>
 #include <js/TypeDecls.h>