[gnome-software] trivial: Fix a tiny compiler warning in the plugin loader

[Richard Hughes <rhughes src gnome org>]

commit f09fabec7ebe667106ab9ab9421edfcede76f79f
Author: Richard Hughes <richard hughsie com>
Date:   Tue Sep 29 14:04:15 2015 +0100

    trivial: Fix a tiny compiler warning in the plugin loader

 src/gs-plugin-loader.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/gs-plugin-loader.c b/src/gs-plugin-loader.c
index fb359de..27d9f5d 100644
--- a/src/gs-plugin-loader.c
+++ b/src/gs-plugin-loader.c
@@ -3592,10 +3592,10 @@ gs_plugin_loader_offline_update_finish (GsPluginLoader *plugin_loader,
                                         GAsyncResult *res,
                                         GError **error)
 {
-       g_return_val_if_fail (GS_IS_PLUGIN_LOADER (plugin_loader), NULL);
-       g_return_val_if_fail (G_IS_TASK (res), NULL);
-       g_return_val_if_fail (g_task_is_valid (res, plugin_loader), NULL);
-       g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+       g_return_val_if_fail (GS_IS_PLUGIN_LOADER (plugin_loader), FALSE);
+       g_return_val_if_fail (G_IS_TASK (res), FALSE);
+       g_return_val_if_fail (g_task_is_valid (res, plugin_loader), FALSE);
+       g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
 
        return g_task_propagate_boolean (G_TASK (res), error);
 }