Unnecessary casts

git-svn-id: https://svn.apache.org/repos/asf/mina/ftpserver/trunk@1129746 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/core/src/main/java/org/apache/ftpserver/command/impl/OPTS.java b/core/src/main/java/org/apache/ftpserver/command/impl/OPTS.java
index f6e0c8b..9868f42 100644
--- a/core/src/main/java/org/apache/ftpserver/command/impl/OPTS.java
+++ b/core/src/main/java/org/apache/ftpserver/command/impl/OPTS.java
@@ -78,7 +78,7 @@
 
         // call appropriate command method
         String optsRequest = "OPTS_" + argument;
-        Command command = (Command) COMMAND_MAP.get(optsRequest);
+        Command command = COMMAND_MAP.get(optsRequest);
         try {
             if (command != null) {
                 command.execute(session, context, request);
diff --git a/core/src/main/java/org/apache/ftpserver/listener/nio/NioListener.java b/core/src/main/java/org/apache/ftpserver/listener/nio/NioListener.java
index 1bd82f6..8a4c708 100644
--- a/core/src/main/java/org/apache/ftpserver/listener/nio/NioListener.java
+++ b/core/src/main/java/org/apache/ftpserver/listener/nio/NioListener.java
@@ -126,8 +126,7 @@
             acceptor.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE,
                     getIdleTimeout());
             // Decrease the default receiver buffer size
-            ((SocketSessionConfig) acceptor.getSessionConfig())
-                    .setReceiveBufferSize(512);
+            acceptor.getSessionConfig().setReceiveBufferSize(512);
     
             MdcInjectionFilter mdcFilter = new MdcInjectionFilter();