[geary: 2/3] Cleanup to meet source code conventions

[Michael Gratton <mjog src gnome org>]

commit 246bb3ce2a5728fc47c17e4ac7ccaf941f7c220f
Author: Jiří Černý <ji cerny gmail com>
Date:   Thu May 23 07:58:11 2019 +0200

    Cleanup to meet source code conventions

 src/client/application/geary-application.vala | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)
---
diff --git a/src/client/application/geary-application.vala b/src/client/application/geary-application.vala
index 64b616f1..de2ef1f3 100644
--- a/src/client/application/geary-application.vala
+++ b/src/client/application/geary-application.vala
@@ -262,6 +262,7 @@ public class GearyApplication : Gtk.Application {
     private bool is_destroyed = false;
     private GLib.Cancellable controller_cancellable = new GLib.Cancellable();
     private Components.Inspector? inspector = null;
+    private Geary.Nonblocking.Mutex controler_mutex = new Geary.Nonblocking.Mutex();
 
 
     /**
@@ -694,8 +695,6 @@ public class GearyApplication : Gtk.Application {
         this.controller.main_window.present();
     }
 
-    private Geary.Nonblocking.Mutex controler_mutex = new Geary.Nonblocking.Mutex();
-
     // Opens the controller
     private async void create_controller() {
         // Manually keep the main loop around for the duration of this
@@ -704,7 +703,7 @@ public class GearyApplication : Gtk.Application {
         hold();
 
         try {
-            int mutex_token = yield controler_mutex.claim_async();
+            int mutex_token = yield this.controler_mutex.claim_async();
             if (this.controller == null) {
                 message(
                     "%s %s (%s) prefix=%s exec_dir=%s is_installed=%s",
@@ -720,10 +719,9 @@ public class GearyApplication : Gtk.Application {
                     this, this.controller_cancellable
                 );
             }
-
-            controler_mutex.release(ref mutex_token);
+            this.controler_mutex.release(ref mutex_token);
         } catch (Error err) {
-            debug("Error creating controller: %s", err.message);
+            error("Error creating controller: %s", err.message);
         }
 
         release();
@@ -735,14 +733,14 @@ public class GearyApplication : Gtk.Application {
         hold();
 
         try {
-            int mutex_token = yield controler_mutex.claim_async();
+            int mutex_token = yield this.controler_mutex.claim_async();
             if (this.controller != null) {
                 yield this.controller.close_async();
                 this.controller = null;
             }
-            controler_mutex.release(ref mutex_token);
+            this.controler_mutex.release(ref mutex_token);
         } catch (Error err) {
-            debug("Error creating controller: %s", err.message);
+            debug("Error destroying controller: %s", err.message);
         }
 
         release();