libvlc: backport smb2 patches

This commit fixes a possible null-deref when stopping a smb2 session.
4 jobs for !210 with smb2-backport-patches in 20 minutes and 30 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Build
passed #298390
android debian
build-libvlc-arm64

00:20:30

passed #298391
android debian
build-libvlc-armv7

00:19:54

passed #298392
android debian
build-libvlc-x86

00:20:03

passed #298393
android debian
build-libvlc-x86_64

00:20:20