[PATCH] rock: lindent rock.h

So we have a couple of rock-ridge bugs.  First up, rotoroot the poor thing
into something which it is possible to work on.

Feed rock.h through Lindent, tidy a couple of things by hand.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>