x86: ptrace: do not sign-extend orig_ax on write

The high 32 bits of orig_ax will be ignored when it matters,
so don't fiddle them when setting it.

Signed-off-by: Roland McGrath <roland@redhat.com>
This commit is contained in:
Roland McGrath 2009-09-22 19:58:58 -07:00
commit 08ff18e299