[gtk] builder: Use default size of 8 for the ObjectProperty arrays

[Timm Bäder <baedert src gnome org>]

commit c6921cdc9d03967dce0bcf3f88aa4cc20486ce05
Author: Timm Bäder <mail baedert org>
Date:   Thu Jun 11 15:30:34 2020 +0200

    builder: Use default size of 8 for the ObjectProperty arrays

 gtk/gtkbuilder.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkbuilder.c b/gtk/gtkbuilder.c
index a6958f7ad5..ed9fbe37bd 100644
--- a/gtk/gtkbuilder.c
+++ b/gtk/gtkbuilder.c
@@ -474,11 +474,11 @@ object_properties_add (ObjectProperties *self,
                        const GValue     *value)
 {
   if (!self->names)
-    self->names = g_ptr_array_new ();
+    self->names = g_ptr_array_sized_new (8);
 
   if (!self->values)
     {
-      self->values = g_array_new (FALSE, FALSE, sizeof (GValue));
+      self->values = g_array_sized_new (FALSE, FALSE, sizeof (GValue), 8);
       g_array_set_clear_func (self->values, (GDestroyNotify) g_value_unset);
     }