[gnome-software] trivial: snap: use g_error_matches() instead of directly looking at the GError

[Iain Lane <iainl src gnome org>]

commit c9f6d58ba110c62a2a9dcbe877fb8498b3707e5e
Author: Iain Lane <iain orangesquash org uk>
Date:   Thu Jun 29 16:56:46 2017 +0100

    trivial: snap: use g_error_matches() instead of directly looking at the GError

 plugins/snap/gs-plugin-snap.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/plugins/snap/gs-plugin-snap.c b/plugins/snap/gs-plugin-snap.c
index cb580c6..8c7b816 100644
--- a/plugins/snap/gs-plugin-snap.c
+++ b/plugins/snap/gs-plugin-snap.c
@@ -567,7 +567,7 @@ gs_plugin_app_install (GsPlugin *plugin,
 {
        g_autoptr(SnapdClient) client = NULL;
 
-       g_autoptr (GError) local_error = NULL;
+       g_autoptr(GError) local_error = NULL;
 
        /* We can only install apps we know of */
        if (g_strcmp0 (gs_app_get_management_plugin (app), "snap") != 0)
@@ -578,7 +578,7 @@ gs_plugin_app_install (GsPlugin *plugin,
        if (client == NULL)
                return FALSE;
        if (!snapd_client_install_sync (client, gs_app_get_id (app), NULL, progress_cb, app, cancellable, 
&local_error)) {
-               if (local_error && local_error->code == SNAPD_ERROR_AUTH_DATA_REQUIRED) {
+               if (g_error_matches (local_error, SNAPD_ERROR, SNAPD_ERROR_AUTH_DATA_REQUIRED)) {
                        g_set_error_literal (error,
                                             GS_PLUGIN_ERROR,
                                             GS_PLUGIN_ERROR_AUTH_REQUIRED,