Add two missing mutex unlocks

src/audio_device.c

@@ -575,6 +575,7 @@ DeviceError close_device(DeviceType type, uint32_t device_idx)
     Device *device = &audio_state->devices[type][device_idx];
 
     if (!device->active) {
+        unlock(type);
         return de_DeviceNotActive;
     }
 

src/notify.c

@@ -707,6 +707,7 @@ int box_notify(ToxWindow *self, Notification notif, uint64_t flags, int *id_indi
 #else
 
     if (id == -1) {
+        control_unlock();
         return -1;
     }