avoid duplicate entry of _seek due to regexp matching.
perhaps oseek should be removed.  i guess it's useful
to play with 2ed.

Reference: /n/atom/patch/applied/trussdup
Date: Fri Feb 14 15:37:05 CET 2014
Signed-off-by: quanstro@quansto.net

--- /sys/lib/acid/truss	Fri Feb 14 15:36:24 2014
+++ /sys/lib/acid/truss	Fri Feb 14 15:36:25 2014
@@ -167,7 +167,7 @@
 	{
 		name = head lst;
 		lst = tail lst;
-		if regexp("seek", name) && (objtype=="amd64" || objtype == "power64" || objtype == "alpha") then
+		if name == "seek" && (objtype=="amd64" || objtype == "power64" || objtype == "alpha") then
 			name = "_seek";
 		addr = addressof(name);
 		if addr then