Linux 2.6.20-rc7

Ok, so I said there wouldn't be another -rc.

I lied.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Makefile

 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 20
-EXTRAVERSION =-rc6
+EXTRAVERSION =-rc7
 NAME = Homicidal Dwarf Hamster
 
 # *DOCUMENTATION*