[build] Fix build with glib < 2.22.0

Fixes bgo#600338.

diff --git a/shell/ev-metadata.c b/shell/ev-metadata.c
index a8fde318e3afd20c1ff1039ab6b0abe81fac544e..4db4a0089e6c13267eb69dc0e7ee6fba7ed994fc 100644 (file)
--- a/shell/ev-metadata.c
+++ b/shell/ev-metadata.c
@@ -89,11 +89,13 @@ ev_metadata_load (EvMetadata *metadata)
                return;
        }
 
+#if GLIB_CHECK_VERSION(2,22,0)
        if (!g_file_info_has_namespace (info, "metadata")) {
                g_object_unref (info);
 
                return;
        }
+#endif
 
        attrs = g_file_info_list_attributes (info, "metadata");
        for (i = 0; attrs[i]; i++) {