[glib] gparamspecs: Mark g_param_spec_string() ’s default value as (nullable)

[Philip Withnall <pwithnall src gnome org>]

commit 144d38fb9d63a26c99acbd3cc212430d3d688859
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Thu Oct 8 12:57:33 2015 +0100

    gparamspecs: Mark g_param_spec_string()’s default value as (nullable)

 gobject/gparamspecs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gobject/gparamspecs.c b/gobject/gparamspecs.c
index c7cf680..16c1f55 100644
--- a/gobject/gparamspecs.c
+++ b/gobject/gparamspecs.c
@@ -2212,7 +2212,7 @@ g_param_spec_double (const gchar *name,
  * @name: canonical name of the property specified
  * @nick: nick name for the property specified
  * @blurb: description of the property specified
- * @default_value: default value for the property specified
+ * @default_value: (nullable): default value for the property specified
  * @flags: flags for the property specified
  *
  * Creates a new #GParamSpecString instance.