[balsa/gtk3] Build with glib < 2.32

[Peter Bloomfield <PeterB src gnome org>]

commit 45e37a16a5700fe142d8c97bad0a1ffb95d5ad88
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Tue Apr 23 21:58:13 2013 -0400

    Build with glib < 2.32
    
        * src/main-window.c: build with glib < 2.32.

 ChangeLog         |    4 ++++
 src/main-window.c |    2 ++
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 689f993..4f93294 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2013-04-23  Peter Bloomfield
 
+       * src/main-window.c: build with glib < 2.32.
+
+2013-04-23  Peter Bloomfield
+
        Clean up LibESMTP header includes
 
        * libbalsa/message.h:
diff --git a/src/main-window.c b/src/main-window.c
index 85e28fe..1e64653 100644
--- a/src/main-window.c
+++ b/src/main-window.c
@@ -1000,6 +1000,7 @@ balsa_window_class_init(BalsaWindowClass * klass)
 
 }
 
+#if GLIB_CHECK_VERSION(2, 32, 0)
 static gboolean bw_change_connection_status_idle(gpointer data);
 #define PRINT_NETWORK_STATUS(available)                 \
     g_printerr("Network is %s (%u)\n",                  \
@@ -1020,6 +1021,7 @@ bw_network_changed_cb(GNetworkMonitor * monitor,
                    GINT_TO_POINTER(available));
     }
 }
+#endif                          /* GLIB_CHECK_VERSION(2, 32, 0) */
 
 static void
 balsa_window_init(BalsaWindow * window)