Fixing issue where the suspend state was not correctly reset when resuming a listener (FTPSERVER-385)

git-svn-id: https://svn.apache.org/repos/asf/mina/ftpserver/trunk@996859 13f79535-47bb-0310-9956-ffa450edef68
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 69999f0..7d062ed 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
@@ -227,6 +227,8 @@
                 LOG.debug("Listener resumed");
                 
                 updatePort();
+                
+                suspended = false;
             } catch (IOException e) {
                 LOG.error("Failed to resume listener", e);
             }