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. 215a7ad Big tool rename. by Junio C Hamano · 20 years ago
2. d48a72f Fix replacing of a directory with a file/symlink in git-checkout-cache by Linus Torvalds · 20 years ago
3. 2408cff Make "git-checkout" create files with O_EXCL by Linus Torvalds · 20 years ago
4. f312de0 [PATCH] Let umask do its work upon filesystem object creation. by Junio C Hamano · 20 years ago
5. 6ee67f2 Fix entry.c dependency and compile problem by Linus Torvalds · 20 years ago
6. 12dccc1 Make fiel checkout function available to the git library by Linus Torvalds · 20 years ago