[glib: 3/4] gmain: Remove some redundant casts

[Sebastian Dröge <sdroege src gnome org>]

commit d9b30d47a622d368360a4097a8af63434f383791
Author: Philip Withnall <withnall endlessm com>
Date:   Mon Oct 7 16:29:26 2019 +0100

    gmain: Remove some redundant casts
    
    These were introducing strict aliasing warnings. Remove them (in line
    with other uses of `g_once_init_leave()`).
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 glib/gmain.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/glib/gmain.c b/glib/gmain.c
index 27a30f202..d6c88818d 100644
--- a/glib/gmain.c
+++ b/glib/gmain.c
@@ -675,7 +675,7 @@ g_main_context_new (void)
 GMainContext *
 g_main_context_default (void)
 {
-  static GMainContext *default_main_context;
+  static GMainContext *default_main_context = NULL;
 
   if (g_once_init_enter (&default_main_context))
     {
@@ -690,8 +690,7 @@ g_main_context_default (void)
         g_print ("default context=%p\n", context);
 #endif
 
-      g_once_init_leave ((gsize *) &default_main_context, (gsize) context);
-
+      g_once_init_leave (&default_main_context, context);
     }
 
   return default_main_context;