[evolution/gnome-3-22] Bug 772150 - Can't add or edit email signatures

[Milan Crha <mcrha src gnome org>]

commit 77df5f4590c9cf0f63e1c0d376606ecc29258e04
Author: Milan Crha <mcrha redhat com>
Date:   Wed Oct 12 19:38:34 2016 +0200

    Bug 772150 - Can't add or edit email signatures

 e-util/e-misc-utils.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/e-util/e-misc-utils.c b/e-util/e-misc-utils.c
index 13ce806..ea22732 100644
--- a/e-util/e-misc-utils.c
+++ b/e-util/e-misc-utils.c
@@ -3798,6 +3798,7 @@ e_util_invoke_g_dbus_proxy_call_sync_wrapper_full (GDBusProxy *dbus_proxy,
 {
        GAsyncResult *async_result = NULL;
        GVariant *var_result;
+       GMainContext *main_context;
 
        g_return_val_if_fail (G_IS_DBUS_PROXY (dbus_proxy), NULL);
        g_return_val_if_fail (method_name != NULL, NULL);
@@ -3808,8 +3809,10 @@ e_util_invoke_g_dbus_proxy_call_sync_wrapper_full (GDBusProxy *dbus_proxy,
                dbus_proxy, method_name, parameters, flags, timeout_msec, cancellable,
                sync_wrapper_result_callback, &async_result);
 
+       main_context = g_main_context_get_thread_default ();
+
        while (!async_result) {
-               g_main_context_iteration (NULL, TRUE);
+               g_main_context_iteration (main_context, TRUE);
        }
 
        var_result = g_dbus_proxy_call_finish (dbus_proxy, async_result, error);