[gnome-builder/wip/gtk4-port] plugins/rust-analyzer: fix plugin interface GType

[Christian Hergert <chergert src gnome org>]

commit 76f84e73f3241e77026ea027637ea01ad61b84a8
Author: Christian Hergert <chergert redhat com>
Date:   Thu Apr 7 10:58:22 2022 -0700

    plugins/rust-analyzer: fix plugin interface GType

 src/plugins/rust-analyzer/rust-analyzer-plugin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/rust-analyzer/rust-analyzer-plugin.c 
b/src/plugins/rust-analyzer/rust-analyzer-plugin.c
index 61a5e35f0..15c5da27b 100644
--- a/src/plugins/rust-analyzer/rust-analyzer-plugin.c
+++ b/src/plugins/rust-analyzer/rust-analyzer-plugin.c
@@ -47,7 +47,7 @@ _rust_analyzer_register_types (PeasObjectModule *module)
                                               IDE_TYPE_PIPELINE_ADDIN,
                                               RUST_TYPE_ANALYZER_PIPELINE_ADDIN);
   peas_object_module_register_extension_type (module,
-                                              IDE_TYPE_COMPLETION_PROVIDER,
+                                              GTK_SOURCE_TYPE_COMPLETION_PROVIDER,
                                               RUST_TYPE_ANALYZER_COMPLETION_PROVIDER);
   peas_object_module_register_extension_type (module,
                                               IDE_TYPE_SYMBOL_RESOLVER,