Merge pull request #744 from gotd/feat/update-tdlib-schema

Update TDLib schema to the latest layer

_schema/tdapi.tl

@@ -1,7 +1,7 @@
 // Code generated by ./cmd/dltl, DO NOT EDIT.
 //
 // Source: https://raw.githubusercontent.com/tdlib/td/master/td/generate/scheme/td_api.tl
-// SHA256: a9a7c0661179383525d56df0fd8e3658ee83c0fea81c0857600b370a5aa4a5e8
+// SHA256: c962ca97c261404ef748cfe14acda90b0ce7d94c3a8918a7af71d80b9ec9eb5e
 
 double#2210c154 ? = Double;
 
@@ -6478,7 +6478,7 @@ getSavedNotificationSound#1b647917 notification_sound_id:int64 = NotificationSou
 //@description Returns list of saved notification sounds. If a sound isn't in the list, then default sound needs to be used
 getSavedNotificationSounds#c0346fa8 = NotificationSounds;
 
-//@description Adds a new notification sound to the list of saved notification sounds. The new notification sound is added to the top of the list. If it is already in the list, it is position isn't changed
+//@description Adds a new notification sound to the list of saved notification sounds. The new notification sound is added to the top of the list. If it is already in the list, its position isn't changed
 //@sound Notification sound file to add
 addSavedNotificationSound#3e3984ef sound:InputFile = NotificationSound;