[gobject-introspection] Update glib annotations from git master

[Martin Pitt <martinpitt src gnome org>]

commit c1f22aa7ee718217b465d362235948272a09d677
Author: Martin Pitt <martinpitt gnome org>
Date:   Wed Dec 11 15:13:42 2013 +0100

    Update glib annotations from git master

 gir/gio-2.0.c  |   12 ++++++------
 gir/glib-2.0.c |    5 +++++
 2 files changed, 11 insertions(+), 6 deletions(-)
---
diff --git a/gir/gio-2.0.c b/gir/gio-2.0.c
index 0af69ab..6112e93 100644
--- a/gir/gio-2.0.c
+++ b/gir/gio-2.0.c
@@ -18457,13 +18457,13 @@
  * g_desktop_app_info_launch_uris_as_manager:
  * @appinfo: a #GDesktopAppInfo
  * @uris: (element-type utf8): List of URIs
- * @launch_context: a #GAppLaunchContext
+ * @launch_context: (allow-none): a #GAppLaunchContext
  * @spawn_flags: #GSpawnFlags, used for each process
- * @user_setup: (scope call): a #GSpawnChildSetupFunc, used once for
- *     each process.
- * @user_setup_data: (closure user_setup): User data for @user_setup
- * @pid_callback: (scope call): Callback for child processes
- * @pid_callback_data: (closure pid_callback): User data for @callback
+ * @user_setup: (scope call) (allow-none): a #GSpawnChildSetupFunc, used once
+ *     for each process.
+ * @user_setup_data: (closure user_setup) (allow-none): User data for @user_setup
+ * @pid_callback: (scope call) (allow-none): Callback for child processes
+ * @pid_callback_data: (closure pid_callback) (allow-none): User data for @callback
  * @error: return location for a #GError, or %NULL
  *
  * This function performs the equivalent of g_app_info_launch_uris(),
diff --git a/gir/glib-2.0.c b/gir/glib-2.0.c
index 885afd0..3c3a1a6 100644
--- a/gir/glib-2.0.c
+++ b/gir/glib-2.0.c
@@ -15112,6 +15112,11 @@
  * The encoding of the returned string is system defined.
  * On Windows, it is always UTF-8.
  *
+ * Since GLib 2.40, this function will return the value of the "PWD"
+ * environment variable if it is set and it happens to be the same as
+ * the current directory.  This can make a difference in the case that
+ * the current directory is the target of a symbolic link.
+ *
  * Returns: the current directory
  */