[geary/mjog/fix-build-warnings: 2/2] Application.Controller: Fix build warning

[Michael Gratton <mjog src gnome org>]

commit f218328210d38690ecd0223f95ca1b925fb2bc37
Author: Michael Gratton <mike vee net>
Date:   Sun Feb 7 14:23:13 2021 +1100

    Application.Controller: Fix build warning
    
    Fixes build warning introduced in commit c4fae242.

 src/client/application/application-controller.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/client/application/application-controller.vala 
b/src/client/application/application-controller.vala
index b9e4e639b..93832fbf1 100644
--- a/src/client/application/application-controller.vala
+++ b/src/client/application/application-controller.vala
@@ -195,7 +195,7 @@ internal class Application.Controller :
         // Commit e8061379 mistakenly used config_dir for cert manager
         // above, so remove it if found. This can be pulled out post
         // v40.
-        Geary.Files.recursive_delete_async(
+        yield Geary.Files.recursive_delete_async(
             config_dir.get_child("pinned-certs")
         );