fix build

R=gri
CC=golang-dev
https://golang.org/cl/1813042

src/pkg/debug/proc/proc_linux.go

@@ -153,7 +153,7 @@ type process struct {
 	debugEvents        chan *debugEvent
 	debugReqs          chan *debugReq
 	stopReq            chan os.Error
-	transitionHandlers *vector.Vector
+	transitionHandlers vector.Vector
 	err                os.Error
 }
 
@@ -472,8 +472,8 @@ func (t *thread) setState(newState threadState) {
 		return
 	}
 
-	t.proc.transitionHandlers = new(vector.Vector)
-	for _, h := range handlers.Data() {
+	t.proc.transitionHandlers = nil
+	for _, h := range handlers {
 		h := h.(*transitionHandler)
 		h.handle(t, oldState, newState)
 	}
@@ -738,7 +738,7 @@ func (p *process) monitor() {
 
 	// Abort waiting handlers
 	// TODO(austin) How do I stop the wait threads?
-	for _, h := range p.transitionHandlers.Data() {
+	for _, h := range p.transitionHandlers {
 		h := h.(*transitionHandler)
 		h.onErr(err)
 	}
@@ -1256,7 +1256,6 @@ func newProcess(pid int) *process {
 		debugEvents: make(chan *debugEvent),
 		debugReqs:   make(chan *debugReq),
 		stopReq:     make(chan os.Error),
-		transitionHandlers: new(vector.Vector),
 	}
 
 	go p.monitor()