[evolution] I#164 - Mute "Failed to handle source headers" runtime warning

[Milan Crha <mcrha src gnome org>]

commit 9750eb54707115b4af35ba7b7d10dd1e0529c380
Author: Milan Crha <mcrha redhat com>
Date:   Wed Oct 10 21:45:57 2018 +0200

    I#164 - Mute "Failed to handle source headers" runtime warning
    
    Closes https://gitlab.gnome.org/GNOME/evolution/issues/164

 src/libemail-engine/e-mail-session-utils.c | 10 +++++++---
 src/libemail-engine/mail-ops.c             |  6 ++++--
 2 files changed, 11 insertions(+), 5 deletions(-)
---
diff --git a/src/libemail-engine/e-mail-session-utils.c b/src/libemail-engine/e-mail-session-utils.c
index c86909d743..3aaf924e0b 100644
--- a/src/libemail-engine/e-mail-session-utils.c
+++ b/src/libemail-engine/e-mail-session-utils.c
@@ -757,10 +757,14 @@ cleanup:
         * or replied to. */
        e_mail_session_handle_source_headers_sync (
                session, context->message, cancellable, &error);
-       if (error != NULL) {
-               g_warning ("%s", error->message);
-               g_clear_error (&error);
+       if (error &&
+           !g_error_matches (error, CAMEL_FOLDER_ERROR, CAMEL_FOLDER_ERROR_INVALID_UID) &&
+           !g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+               g_warning (
+                       "%s: Failed to handle source headers: %s",
+                       G_STRFUNC, error->message);
        }
+       g_clear_error (&error);
 
 exit:
 
diff --git a/src/libemail-engine/mail-ops.c b/src/libemail-engine/mail-ops.c
index 28101e5e85..028272ed01 100644
--- a/src/libemail-engine/mail-ops.c
+++ b/src/libemail-engine/mail-ops.c
@@ -845,12 +845,14 @@ mail_send_message (struct _send_queue_msg *m,
                 * or replied to. */
                e_mail_session_handle_source_headers_sync (
                        m->session, message, cancellable, &local_error);
-               if (local_error != NULL) {
+               if (local_error &&
+                   !g_error_matches (local_error, CAMEL_FOLDER_ERROR, CAMEL_FOLDER_ERROR_INVALID_UID) &&
+                   !g_error_matches (local_error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
                        g_warning (
                                "%s: Failed to handle source headers: %s",
                                G_STRFUNC, local_error->message);
-                       g_clear_error (&local_error);
                }
+               g_clear_error (&local_error);
        }
 
        if (local_error == NULL) {