[libpeas] lua: ignore GParameter deprecation

[Christian Hergert <chergert src gnome org>]

commit 029e74312f6c1b0162f31e8e686dbfe1a1f84200
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 5 16:11:59 2019 -0700

    lua: ignore GParameter deprecation

 loaders/lua5.1/peas-plugin-loader-lua.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/loaders/lua5.1/peas-plugin-loader-lua.c b/loaders/lua5.1/peas-plugin-loader-lua.c
index 389dcee..5382806 100644
--- a/loaders/lua5.1/peas-plugin-loader-lua.c
+++ b/loaders/lua5.1/peas-plugin-loader-lua.c
@@ -155,6 +155,7 @@ peas_plugin_loader_lua_provides_extension (PeasPluginLoader *loader,
   return the_type != G_TYPE_INVALID;
 }
 
+G_GNUC_BEGIN_DISABLE_DEPRECATIONS
 static PeasExtension *
 peas_plugin_loader_lua_create_extension (PeasPluginLoader *loader,
                                          PeasPluginInfo   *info,
@@ -195,6 +196,7 @@ out:
   thread_leave (lua_loader, info, &L);
   return object;
 }
+G_GNUC_END_DISABLE_DEPRECATIONS
 
 static gboolean
 peas_plugin_loader_lua_load (PeasPluginLoader *loader,