* cifsd: fix uninitialized fp could be freed
* cifsd: fix potential uninitialized spnego_blob could be freed
* cifsd: smbd: replace spinlock_irqsave with spinlock
* cifsd: smbd: avoid the lack of client's send credits
* cifsd-tools: add version generation script
* cifsd-tools: do not abbrev git describe
* cifsd-tools: use 'unknown' version string if git describe fails

Signed-off-by: Andy Walsh <andy.walsh44+github@gmail.com>