Uncrustify sources

Ran `find src plugins -iname '*.[c|h]' -print0 | xargs -0 uncrustify --no-backup`
with some minimal manual intervention.

src/calls-dbus-manager.h

@@ -19,8 +19,8 @@ G_DECLARE_FINAL_TYPE (CallsDBusManager, calls_dbus_manager,
                       CALLS, DBUS_MANAGER, GObject)
 
 CallsDBusManager *calls_dbus_manager_new (void);
-gboolean calls_dbus_manager_register (CallsDBusManager  *self,
-                                      GDBusConnection   *connection,
-                                      const char        *object_path,
-                                      GError           **error);
+gboolean calls_dbus_manager_register (CallsDBusManager *self,
+                                      GDBusConnection  *connection,
+                                      const char       *object_path,
+                                      GError          **error);
 G_END_DECLS