[gnome-software] trivial: Do not emit a critical warning when moderating unknown apps

[Richard Hughes <rhughes src gnome org>]

commit a879faf93f2b0cfd34f9f0c646f3e4a8446a12f0
Author: Richard Hughes <richard hughsie com>
Date:   Tue Feb 23 20:44:57 2016 +0000

    trivial: Do not emit a critical warning when moderating unknown apps

 src/gs-app-row.c |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/src/gs-app-row.c b/src/gs-app-row.c
index c956642..749ccf2 100644
--- a/src/gs-app-row.c
+++ b/src/gs-app-row.c
@@ -111,6 +111,8 @@ gs_app_row_get_description (GsAppRow *app_row)
                tmp = gs_app_get_summary (priv->app);
        if (tmp == NULL || (tmp != NULL && tmp[0] == '\0'))
                tmp = gs_app_get_name (priv->app);
+       if (tmp == NULL)
+               return NULL;
        escaped = g_markup_escape_text (tmp, -1);
        return g_string_new (escaped);
 }
@@ -142,9 +144,13 @@ gs_app_row_refresh (GsAppRow *app_row)
 
        /* join the description lines */
        str = gs_app_row_get_description (app_row);
-       gs_string_replace (str, "\n", " ");
-       gtk_label_set_markup (GTK_LABEL (priv->description_label), str->str);
-       g_string_free (str, TRUE);
+       if (str != NULL) {
+               gs_string_replace (str, "\n", " ");
+               gtk_label_set_markup (GTK_LABEL (priv->description_label), str->str);
+               g_string_free (str, TRUE);
+       } else {
+               gtk_label_set_text (GTK_LABEL (priv->description_label), NULL);
+       }
 
        /* add warning */
        if (gs_app_get_kind (priv->app) == GS_APP_KIND_FIRMWARE_UPDATE) {