[PATCH] pm: clean up process.c

freezeable() already tests for TRACED/STOPPED processes, no need to do it
twice.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>