[glib/mcatanzaro/#2597: 20/22] gsimpleproxyresolver: default_proxy should be consistently nullable

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 157964524369cb6aae686ea9e5420f3791bdcd32
Author: Michael Catanzaro <mcatanzaro redhat com>
Date:   Mon Jun 13 12:58:46 2022 -0500

    gsimpleproxyresolver: default_proxy should be consistently nullable
    
    Currently it's nullable in g_simple_proxy_resolver_new(), but not in
    g_simple_proxy_resolver_set_default_proxy() nor the property. Fix these.

 gio/gsimpleproxyresolver.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gio/gsimpleproxyresolver.c b/gio/gsimpleproxyresolver.c
index fdeb6c5a44..931d974533 100644
--- a/gio/gsimpleproxyresolver.c
+++ b/gio/gsimpleproxyresolver.c
@@ -417,7 +417,7 @@ g_simple_proxy_resolver_class_init (GSimpleProxyResolverClass *resolver_class)
   object_class->finalize = g_simple_proxy_resolver_finalize;
 
   /**
-   * GSimpleProxyResolver:default-proxy:
+   * GSimpleProxyResolver:default-proxy: (nullable)
    *
    * The default proxy URI that will be used for any URI that doesn't
    * match #GSimpleProxyResolver:ignore-hosts, and doesn't match any
@@ -520,7 +520,7 @@ g_simple_proxy_resolver_new (const gchar  *default_proxy,
 /**
  * g_simple_proxy_resolver_set_default_proxy:
  * @resolver: a #GSimpleProxyResolver
- * @default_proxy: the default proxy to use
+ * @default_proxy: (nullable): the default proxy to use
  *
  * Sets the default proxy on @resolver, to be used for any URIs that
  * don't match #GSimpleProxyResolver:ignore-hosts or a proxy set