[glib] subprocess: Init and clear the mutex

[Olivier Crête <Tester src gnome org>]

commit ed017994c9396f10c87646b5fa3639e1ca1925b8
Author: Olivier Crête <olivier crete collabora com>
Date:   Sat Feb 15 02:23:29 2014 -0500

    subprocess: Init and clear the mutex
    
    Fixes the leak of the GMutexImpl allocated inside the first call to g_mutex_lock()
    on an uninitialized GMutex.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=724401

 gio/gsubprocess.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gio/gsubprocess.c b/gio/gsubprocess.c
index 01470cc..c0f8367 100644
--- a/gio/gsubprocess.c
+++ b/gio/gsubprocess.c
@@ -610,12 +610,15 @@ g_subprocess_finalize (GObject *object)
   g_clear_object (&self->stderr_pipe);
   g_strfreev (self->argv);
 
+  g_mutex_clear (&self->pending_waits_lock);
+
   G_OBJECT_CLASS (g_subprocess_parent_class)->finalize (object);
 }
 
 static void
 g_subprocess_init (GSubprocess  *self)
 {
+  g_mutex_init (&self->pending_waits_lock);
 }
 
 static void