[glib: 2/3] gsubprocess: Add missing (nullable) annotation to get_identifier()

[Sebastian Dröge <sdroege src gnome org>]

commit 799caf772bba791d8318eddeae812c2d4d9af5ca
Author: Philip Withnall <withnall endlessm com>
Date:   Fri May 31 23:38:58 2019 +0100

    gsubprocess: Add missing (nullable) annotation to get_identifier()
    
    The bottom of the documentation comment for this symbol seems to have
    been missing.
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 gio/gsubprocess.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/gio/gsubprocess.c b/gio/gsubprocess.c
index 7630c7b45..b5515c705 100644
--- a/gio/gsubprocess.c
+++ b/gio/gsubprocess.c
@@ -749,6 +749,11 @@ g_subprocess_newv (const gchar * const  *argv,
  *
  * On UNIX, returns the process ID as a decimal string.
  * On Windows, returns the result of GetProcessId() also as a string.
+ * If the subprocess has terminated, this will return %NULL.
+ *
+ * Returns: (nullable): the subprocess identifier, or %NULL if the subprocess
+ *    has terminated
+ * Since: 2.40
  */
 const gchar *
 g_subprocess_get_identifier (GSubprocess *subprocess)