[gjs] Fix (allow-none) for arrays

[Giovanni Campagna <gcampagna src gnome org>]

commit 4f63f43e407fc050df31acf14a4b56bb2295d58b
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Tue Jul 5 19:28:46 2011 +0200

    Fix (allow-none) for arrays
    
    Previous check rejected non-string and non-object in all cases,
    even when null was allowed.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=652753

 gi/arg.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gi/arg.c b/gi/arg.c
index c224388..0bde47e 100644
--- a/gi/arg.c
+++ b/gi/arg.c
@@ -862,7 +862,8 @@ gjs_array_to_explicit_array_internal(JSContext       *context,
         param_tag = GI_TYPE_TAG_UINT8;
     }
 
-    if ((JSVAL_IS_NULL(value) && !may_be_null) || (!JSVAL_IS_STRING(value) && !JSVAL_IS_OBJECT(value))) {
+    if ((JSVAL_IS_NULL(value) && !may_be_null) ||
+        (!JSVAL_IS_STRING(value) && !JSVAL_IS_OBJECT(value) && !JSVAL_IS_NULL(value))) {
         gchar *display_name = get_argument_display_name(arg_name, arg_type);
         gjs_throw(context, "Expected type %s for %s but got type '%s' %p",
                   g_type_tag_to_string(param_tag),