[gnome-software] trivial: Also use the GRWLock for the batched refine

[Richard Hughes <rhughes src gnome org>]

commit 85ebe42cdb61688873a089bc29ddb4f9409a85e4
Author: Richard Hughes <richard hughsie com>
Date:   Thu Apr 14 09:01:08 2016 +0100

    trivial: Also use the GRWLock for the batched refine

 src/gs-plugin-loader.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-plugin-loader.c b/src/gs-plugin-loader.c
index e76757b..bcea965 100644
--- a/src/gs-plugin-loader.c
+++ b/src/gs-plugin-loader.c
@@ -175,8 +175,10 @@ gs_plugin_loader_run_refine (GsPluginLoader *plugin_loader,
                /* run the batched plugin symbol then the per-app plugin */
                if (plugin_func != NULL) {
                        g_autoptr(GError) error_local = NULL;
+                       g_rw_lock_reader_lock (&plugin->rwlock);
                        ret = plugin_func (plugin, list, flags,
                                           cancellable, &error_local);
+                       g_rw_lock_reader_unlock (&plugin->rwlock);
                        if (!ret) {
                                g_warning ("failed to call %s on %s: %s",
                                           function_name, plugin->name,