[pybank] Add a warning for void args

[Johan Dahlin <johan src gnome org>]

commit da655d071a61b264749e8b0d047bb307c71841bc
Author: Tomeu Vizoso <tomeu sugarlabs org>
Date:   Thu May 14 14:13:47 2009 +0200

    Add a warning for void args
---
 bank/bank-argument.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/bank/bank-argument.c b/bank/bank-argument.c
index 82cc712..b9c55d5 100644
--- a/bank/bank-argument.c
+++ b/bank/bank-argument.c
@@ -176,6 +176,8 @@ pyg_argument_to_pyobject(GArgument *arg, GITypeInfo *type_info)
 
     switch (type_tag) {
     case GI_TYPE_TAG_VOID:
+        // TODO: Should we take this as a buffer?
+        g_warning("pybank doesn't know what to do with void types");
         obj = Py_None;
         break;
     case GI_TYPE_TAG_GLIST: