[evolution-data-server/gnome-3-16] e_trust_prompt_run_for_source: Do not require Authentication extension

[Milan Crha <mcrha src gnome org>]

commit 7bd1d00417513ee1706908d22d2e976970639d91
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jun 19 11:02:28 2015 +0200

    e_trust_prompt_run_for_source: Do not require Authentication extension
    
    It was made optional earlier, but the code still required it.

 libedataserverui/e-trust-prompt.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/libedataserverui/e-trust-prompt.c b/libedataserverui/e-trust-prompt.c
index 25def62..bc4bbc6 100644
--- a/libedataserverui/e-trust-prompt.c
+++ b/libedataserverui/e-trust-prompt.c
@@ -548,7 +548,7 @@ e_trust_prompt_run_for_source (GtkWindow *parent,
                               GAsyncReadyCallback callback,
                               gpointer user_data)
 {
-       ESourceAuthentication *extension_authentication;
+       ESourceAuthentication *extension_authentication = NULL;
        ESourceWebdav *extension_webdav = NULL;
        SaveSourceData *save_data;
        GTlsCertificate *certificate;
@@ -559,9 +559,9 @@ e_trust_prompt_run_for_source (GtkWindow *parent,
                g_return_if_fail (GTK_IS_WINDOW (parent));
        g_return_if_fail (E_IS_SOURCE (source));
        g_return_if_fail (certificate_pem != NULL);
-       g_return_if_fail (e_source_has_extension (source, E_SOURCE_EXTENSION_AUTHENTICATION));
 
-       extension_authentication = e_source_get_extension (source, E_SOURCE_EXTENSION_AUTHENTICATION);
+       if (e_source_has_extension (source, E_SOURCE_EXTENSION_AUTHENTICATION))
+               extension_authentication = e_source_get_extension (source, E_SOURCE_EXTENSION_AUTHENTICATION);
        if (e_source_has_extension (source, E_SOURCE_EXTENSION_WEBDAV_BACKEND))
                extension_webdav = e_source_get_extension (source, E_SOURCE_EXTENSION_WEBDAV_BACKEND);
 
@@ -570,7 +570,11 @@ e_trust_prompt_run_for_source (GtkWindow *parent,
        save_data->call_save = FALSE;
 
        /* Lookup used host name */
-       host = e_source_authentication_dup_host (extension_authentication);
+       if (extension_authentication)
+               host = e_source_authentication_dup_host (extension_authentication);
+       else
+               host = NULL;
+
        if (!host || !*host) {
                g_free (host);
                host = NULL;