GIT 0.99.7c

Contains the following post-0.99.7b fixes:

 - rsh.c string termination fix by H. Peter Anvin
 - further fetch fixes by Sergey Vlasov
 - diff-tree documentation by Robert Watson.
 - 'git diff --cached' synonymous to 'git diff --cached HEAD'.
 - subprocess.py licensing status clarification.

Signed-off-by: Junio C Hamano <junkio@cox.net>
  1. 355e76a [PATCH] Tweak count-delta interface by Junio C Hamano · 20 years ago
  2. 8597697 [PATCH] Update rename/copy similarity estimator. by Junio C Hamano · 20 years ago