Some architectures (e.g. s390) don't have __NR_waitpid.
Thus, it must not be used in arch/um/kernel/tt/ptproxy/proxy.c
Signed-off-by: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>