Enable usage of PTRACE_SEIZE

* defs.h: Define USE_SEIZE to 1. Remove PTRACE_SEIZE_DEVEL
and PTRACE_EVENT_STOP1.
* strace.c (ptrace_attach_or_seize): Replace PTRACE_SEIZE_DEVEL
with 0.
(trace): Do not check for PTRACE_EVENT_STOP1.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2 files changed