[gnome-software] trivial: Parse AppStream with both <licence> and <project_license> tags

[Richard Hughes <rhughes src gnome org>]

commit 5a29425478cdc8ca04f5733cadaf877a5f5c7a7d
Author: Richard Hughes <richard hughsie com>
Date:   Wed Feb 26 21:17:24 2014 +0000

    trivial: Parse AppStream with both <licence> and <project_license> tags

 src/plugins/appstream-cache.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/src/plugins/appstream-cache.c b/src/plugins/appstream-cache.c
index d996777..5239eaf 100644
--- a/src/plugins/appstream-cache.c
+++ b/src/plugins/appstream-cache.c
@@ -767,15 +767,18 @@ appstream_cache_text_cb (GMarkupParseContext *context,
                                       text, text_len);
                break;
        case APPSTREAM_TAG_PROJECT_LICENSE:
-               if (helper->item_temp == NULL ||
-                   appstream_app_get_project_license (helper->item_temp) != NULL) {
+               if (helper->item_temp == NULL) {
                        g_set_error_literal (error,
                                             APPSTREAM_CACHE_ERROR,
                                             APPSTREAM_CACHE_ERROR_FAILED,
                                             "item_temp license invalid");
                        return;
                }
-               appstream_app_set_project_license (helper->item_temp, text, text_len);
+               if (appstream_app_get_project_license (helper->item_temp) == NULL) {
+                       appstream_app_set_project_license (helper->item_temp,
+                                                          text,
+                                                          text_len);
+               }
                break;
        case APPSTREAM_TAG_DESCRIPTION:
                appstream_markup_add_content (helper->markup, text, text_len);