[glib] Ensure we're actually initializing the winsock library

[Alexander Larsson <alexl src gnome org>]

commit d80e12104f139def9bea28a510bf1d7c103e20f9
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Apr 29 12:19:57 2009 +0200

    Ensure we're actually initializing the winsock library
    
    It turns out that just calling g_inet_address_get_type() isn't
    enough, since its marked G_GNUC_CONST, so the call is optimized
    away. If we assign the return value to a volatile location we ensure
    it is called.
---
 gio/ginetaddress.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/gio/ginetaddress.c b/gio/ginetaddress.c
index bf6578b..592f76c 100644
--- a/gio/ginetaddress.c
+++ b/gio/ginetaddress.c
@@ -311,6 +311,7 @@ g_inet_address_new_from_string (const gchar *string)
   struct sockaddr_storage sa;
   struct sockaddr_in *sin = (struct sockaddr_in *)&sa;
   struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&sa;
+  volatile GType type;
   gint len;
 #else /* !G_OS_WIN32 */
   struct in_addr in_addr;
@@ -318,7 +319,7 @@ g_inet_address_new_from_string (const gchar *string)
 #endif
 
   /* Make sure _g_networking_init() has been called */
-  (void) g_inet_address_get_type ();
+  type = g_inet_address_get_type ();
 
 #ifdef G_OS_WIN32
   memset (&sa, 0, sizeof (sa));