fix compilation issues for client revamp

client.go

@@ -2,12 +2,10 @@ package main
 
 import (
 	"errors"
-	"fmt"
 	"strings"
-	"time"
 )
 
-func getLockedClient(int64 id, bool createMissing) (*ChirpClient, bool) {
+func getLockedClient(id int64, createMissing bool) (*ChirpClient, bool) {
 	muxClients.Lock()
 	if c, ok := clients[id]; ok {
 		c.Mux.Lock()

def.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"regexp"
+	"sync"
 	"time"
 
 	"github.com/streadway/amqp"