more syntax fixes

Author: odersky

benchmarks/src/main/scala/effpi/benchmarks/effpi/CountingActor.scala

@@ -52,7 +52,7 @@ object CountingActor {
           ploop(RecA)
       } else {
         send(counter, CounterAction.Cheque(self)) >>
-        read { x: Sum => x match {
+        read { (x: Sum) => x match {
             case Sum(sum) =>
               endTimePromise.success(System.nanoTime())
               // println(s"The sum of all numbers is $sum")

benchmarks/src/main/scala/effpi/benchmarks/effpi/ForkJoinThroughput.scala

@@ -28,7 +28,7 @@ object ForkJoinThroughput {
     var count = 0
     prec(RecA) {
       if (count < maxMsgs) {
-        read { _: Message =>
+        read { (_: Message) =>
           count += 1
           ploop(RecA)
         }

benchmarks/src/main/scala/effpi/benchmarks/effpi/PingPong.scala

@@ -50,7 +50,7 @@ object PingPong {
       // println("ping...")
       if (count > 0) {
         send(pongRef, Ping(self)) >>
-        read { x: PongMessage => x match {
+        read { (x: PongMessage) => x match {
             case PongMessage.Pong =>
               count = count - 1
               // println(s"count = $count")