Update TSSLServerSocket.h

I think it's a bug to declare createSocket with parameters "int socket"  while the base class
TServerSocket declares the virtual function createSocket with parameters "THRIFT_SOCKET socket"
On windows THRIFT_SOCKET resolves to UINT_PTR hence TSSLServerSocket::createSocket function 
did not get called from the guts.

Hence a nasty hanging problem was happening for me while testing ssl feature using official test_server/test_client.

I also posted my question at
http://stackoverflow.com/questions/21213094/c-thrift-client-not-working-with-ssl-ssl-connect-hangs