[gnome-games] retro-core-source: Call ensure_module_is_found() inside get_core_id()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 2fad1cd3b1a06bf78b93f500fea43dfe13c93b4b
Author: Yetizone <andreii lisita gmail com>
Date:   Thu Aug 8 11:05:53 2019 +0300

    retro-core-source: Call ensure_module_is_found() inside get_core_id()

 src/retro/retro-core-source.vala | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/retro/retro-core-source.vala b/src/retro/retro-core-source.vala
index 5343bd92..cc0ad491 100644
--- a/src/retro/retro-core-source.vala
+++ b/src/retro/retro-core-source.vala
@@ -14,6 +14,8 @@ public class Games.RetroCoreSource : Object {
        }
 
        public string get_core_id () throws Error {
+               ensure_module_is_found ();
+
                return core_descriptor.get_id ();
        }