[gnome-builder/wip/gtk4-port] plugins/spellcheck: set category for plugin

[Christian Hergert <chergert src gnome org>]

commit 1b91c4ecffb348667cfa407fb82661796a120151
Author: Christian Hergert <chergert redhat com>
Date:   Thu Apr 7 17:41:22 2022 -0700

    plugins/spellcheck: set category for plugin

 src/plugins/spellcheck/spellcheck.plugin | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/plugins/spellcheck/spellcheck.plugin b/src/plugins/spellcheck/spellcheck.plugin
index e521cad0f..0f073e1a6 100644
--- a/src/plugins/spellcheck/spellcheck.plugin
+++ b/src/plugins/spellcheck/spellcheck.plugin
@@ -7,3 +7,4 @@ Description=Provides spellchecking for documents
 Embedded=_gbp_spellcheck_register_types
 Module=spellcheck
 Name=Check Spelling
+X-Category=editing