[pygobject] Avoid truncating value returned from g_value_info_get_value.

[Christoph Reiter <creiter src gnome org>]

commit d0051a895005c86bde2df2409f6e2123584f7963
Author: Tomasz Miąsko <tomasz miasko gmail com>
Date:   Tue Apr 3 00:00:00 2018 +0000

    Avoid truncating value returned from g_value_info_get_value.
    
    The value returned from g_value_info_get_value will be representable
    by some 32-bit integer type, but there is no guarantee that signed
    one will do the job.

 gi/pygi-info.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gi/pygi-info.c b/gi/pygi-info.c
index 8a0deaa1..d8ddcc77 100644
--- a/gi/pygi-info.c
+++ b/gi/pygi-info.c
@@ -1742,7 +1742,7 @@ PYGLIB_DEFINE_TYPE ("gi.ValueInfo", PyGIValueInfo_Type, PyGIBaseInfo);
 static PyObject *
 _wrap_g_value_info_get_value (PyGIBaseInfo *self)
 {
-    glong value;
+    gint64 value;
 
     value = g_value_info_get_value ( (GIValueInfo *) self->info);