[PATCH] Doc: fix mtrr userspace programs to build cleanly

Fix mtrr-add.c and mtrr-show.c in Doc/mtrr.txt to build cleanly.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>