fix(connection): fixing leak in 3.0.0

Author: daprahamian

Diff for: lib/connection/connection.js

@@ -600,7 +600,7 @@ Connection.prototype.connect = function(_options) {
     });
     self.connection.setTimeout(self.connectionTimeout);
   } else {
-    self.connection.on('connect', function() {
+    self.connection.once('connect', function() {
       // Set socket timeout instead of connection timeout
       self.connection.setTimeout(self.socketTimeout);
       // Emit connect event