[gnome-software] trivial: Use G_DEFINE_QUARK

[Kalev Lember <klember src gnome org>]

commit 9e13119ba7edf911b8c56bf1952fb977878225cd
Author: Kalev Lember <klember redhat com>
Date:   Thu Jan 21 14:14:44 2016 +0100

    trivial: Use G_DEFINE_QUARK

 src/gs-app.c           |    9 +--------
 src/gs-plugin-loader.c |    9 +--------
 2 files changed, 2 insertions(+), 16 deletions(-)
---
diff --git a/src/gs-app.c b/src/gs-app.c
index 1ea6e22..0a77892 100644
--- a/src/gs-app.c
+++ b/src/gs-app.c
@@ -126,14 +126,7 @@ G_DEFINE_TYPE (GsApp, gs_app, G_TYPE_OBJECT)
  * gs_app_error_quark:
  * Return value: Our personal error quark.
  **/
-GQuark
-gs_app_error_quark (void)
-{
-       static GQuark quark = 0;
-       if (!quark)
-               quark = g_quark_from_static_string ("gs_app_error");
-       return quark;
-}
+G_DEFINE_QUARK (gs-app-error-quark, gs_app_error)
 
 /**
  * gs_app_kind_to_string:
diff --git a/src/gs-plugin-loader.c b/src/gs-plugin-loader.c
index b0a2f16..38c4bab 100644
--- a/src/gs-plugin-loader.c
+++ b/src/gs-plugin-loader.c
@@ -95,14 +95,7 @@ gs_plugin_loader_free_async_state (GsPluginLoaderAsyncState *state)
  * gs_plugin_loader_error_quark:
  * Return value: Our personal error quark.
  **/
-GQuark
-gs_plugin_loader_error_quark (void)
-{
-       static GQuark quark = 0;
-       if (!quark)
-               quark = g_quark_from_static_string ("gs_plugin_loader_error");
-       return quark;
-}
+G_DEFINE_QUARK (gs-plugin-loader-error-quark, gs_plugin_loader_error)
 
 /**
  * gs_plugin_loader_app_sort_cb: