fixed makeOffer reject problem

src/main/scala/org/scadcop/solver/decentralized/mgm2/AgentBehaviour.scala

@@ -384,8 +384,9 @@ class AgentBehaviour(variable: Variable,
       stay using mind
 
      // When it receives an offer it does NOTHING
-    case Event(MakeOffer(_), mind) =>
+    case Event(MakeOffer(someOffer), mind) =>
       if (debug) println(s"$variable in $stateName has received MakeOffer")
+        sender ! Reject(someOffer)
       stay using mind
 
     //when it receives a neighbour's delta and the neighbourDeltas is partial
@@ -422,8 +423,9 @@ class AgentBehaviour(variable: Variable,
       stay using mind
 
     // When it receives an offer it does NOTHING
-    case Event(MakeOffer(_), mind) =>
+    case Event(MakeOffer(someOffer), mind) =>
       if (debug) println(s"$variable in $stateName has received MakeOffer and ignores it")
+      sender ! Reject(someOffer)
       stay using mind
 
     // When it receives a neighbour's delta and the neighbourDeltas is partial
@@ -505,7 +507,7 @@ class AgentBehaviour(variable: Variable,
 
     // When its partner tells it to go
     case Event(GiveGo(_), mind) =>
-      if (debug) println(s"$variable in $stateName has received GiveGo and stahes it")
+      if (debug) println(s"$variable in $stateName has received GiveGo and stashes it")
       stash
       stay using mind