iOS beta crash: vlc_vaLog

During the latest iOS beta 403, some users encountered the following.

Thread 26 Crashed:
0   libsystem_pthread.dylib              0x00000001f1499948 pthread_rwlock_rdlock + 0
1   MobileVLCKit                         0x00000001076b9d0c vlc_vaLog + 288
2   MobileVLCKit                         0x00000001076b9da8 vlc_Log + 36
3   MobileVLCKit                         0x00000001076bce8c DelCallback + 408
4   MobileVLCKit                         0x00000001089e013c DecSysRelease + 100
5   MobileVLCKit                         0x00000001089e075c SubpictureDestroy + 16
6   MobileVLCKit                         0x00000001076c04f4 subpicture_Delete + 52
7   MobileVLCKit                         0x000000010769d1c4 spu_Destroy + 276
8   MobileVLCKit                         0x0000000107699c80 vout_Close + 116
9   MobileVLCKit                         0x000000010768b0cc input_resource_Terminate + 232
10  MobileVLCKit                         0x000000010764b888 worker_thread + 172
11  libsystem_pthread.dylib              0x00000001f1495a60 _pthread_start + 144
12  libsystem_pthread.dylib              0x00000001f1494f5c thread_start + 4

report-2517687255020009999-ea999023-e6ec-4d00-aaf5-ffc2faeed3d7.txt