apibuild: ignore GLib macros too

Add an exception for the GLib versions of the macros we already ignore.
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>

docs/apibuild.py

@@ -73,6 +73,8 @@ admin_included_files = {
 ignored_words = {
   "ATTRIBUTE_UNUSED": (0, "macro keyword"),
   "ATTRIBUTE_SENTINEL": (0, "macro keyword"),
+  "G_GNUC_UNUSED": (0, "macro keyword"),
+  "G_GNUC_NULL_TERMINATED": (0, "macro keyword"),
   "VIR_DEPRECATED": (0, "macro keyword"),
   "VIR_EXPORT_VAR": (0, "macro keyword"),
   "WINAPI": (0, "Windows keyword"),