[FAB-7453] Fix spell error in comment

In file fabric/gossip/service/eventer.go Line 59,
the "intialized" should be "initialized".

Change-Id: Ib411ed493605335952bb8d220c7e4b9a65b35781
Signed-off-by: c_lq <Caojing@hyperchain.cn>

gossip/service/eventer.go

@@ -56,7 +56,7 @@ func newConfigEventer(receiver configEventReceiver) *configEventer {
 	}
 }
 
-// ProcessConfigUpdate should be invoked whenever a channel's configuration is intialized or updated
+// ProcessConfigUpdate should be invoked whenever a channel's configuration is initialized or updated
 // it invokes the associated method in configEventReceiver when configuration is updated
 // but only if the configuration value actually changed
 // Note, that a changing sequence number is ignored as changing configuration