Remove unused eventsWG in WatchConfig

eventsWG.Wait() is called after initWG.Done(), so the inner goroutine is dangling and cannot be waited by the surrounding one.
So remove the useless waitGroup

viper.go

@@ -358,14 +358,13 @@ func (v *Viper) WatchConfig() {
 		configDir, _ := filepath.Split(configFile)
 		realConfigFile, _ := filepath.EvalSymlinks(filename)
 
-		eventsWG := sync.WaitGroup{}
-		eventsWG.Add(1)
-		go func() {
+		watcher.Add(configDir)
+		initWG.Done() // done initializing the watch in this go routine, so the parent routine can move on...
+
 		for {
 			select {
 			case event, ok := <-watcher.Events:
 				if !ok { // 'Events' channel is closed
-						eventsWG.Done()
 					return
 				}
 				currentConfigFile, _ := filepath.EvalSymlinks(filename)
@@ -386,7 +385,6 @@ func (v *Viper) WatchConfig() {
 					}
 				} else if filepath.Clean(event.Name) == configFile &&
 					event.Op&fsnotify.Remove&fsnotify.Remove != 0 {
-						eventsWG.Done()
 					return
 				}
 
@@ -394,15 +392,10 @@ func (v *Viper) WatchConfig() {
 				if ok { // 'Errors' channel is not closed
 					log.Printf("watcher error: %v\n", err)
 				}
-					eventsWG.Done()
 				return
 			}
 		}
 	}()
-		watcher.Add(configDir)
-		initWG.Done()   // done initializing the watch in this go routine, so the parent routine can move on...
-		eventsWG.Wait() // now, wait for event loop to end in this go-routine...
-	}()
 	initWG.Wait() // make sure that the go routine above fully ended before returning
 }