[gnome-software/mwleeds/pwa-plugin] fixup! Revive webapp support

[Phaedrus Leeds <mwleeds src gnome org>]

commit 8ec4826f339b7d04db5e4563a7cf3b07aa82eda8
Author: Phaedrus Leeds <mwleeds protonmail com>
Date:   Wed Apr 6 11:33:53 2022 -0700

    fixup! Revive webapp support

 plugins/epiphany/gs-plugin-epiphany.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/epiphany/gs-plugin-epiphany.c b/plugins/epiphany/gs-plugin-epiphany.c
index 9f2028cac..7f40ed402 100644
--- a/plugins/epiphany/gs-plugin-epiphany.c
+++ b/plugins/epiphany/gs-plugin-epiphany.c
@@ -39,7 +39,7 @@ struct _GsPluginEpiphany
        GFileMonitor *monitor; /* (owned) */
        GDBusConnection *connection; /* (owned) */
        guint changed_id;
-       GMutex installed_apps_mutex;
+       GMutex installed_apps_mutex; /* protects the plugin cache */
 };
 
 G_DEFINE_TYPE (GsPluginEpiphany, gs_plugin_epiphany, GS_TYPE_PLUGIN)