Compile TWebSocketServer with CMake only when OpenSSL is found
Compile TWebSocketServer with CMake only when OpenSSL is found

When compiling the C++ library and OpenSSL wasn't found, TWebSocketServer will fail as it includes OpenSSL headers.

jeking3/thrift,jeking3/thrift,nsuke/thrift,apache/thrift,jeking3/thrift,apache/thrift,jeking3/thrift,nsuke/thrift,jeking3/thrift,nsuke/thrift,nsuke/thrift,jeking3/thrift,Jens-G/thrift,nsuke/thrift,nsuke/thrift,nsuke/thrift,apache/thrift,jeking3/thrift,Jens-G/thrift,nsuke/thrift,apache/thrift,Jens-G/thrift,apache/thrift,jeking3/thrift,apache/thrift,nsuke/thrift,apache/thrift,jeking3/thrift,Jens-G/thrift,apache/thrift,apache/thrift,Jens-G/thrift,nsuke/thrift,apache/thrift,nsuke/thrift,jeking3/thrift,jeking3/thrift,Jens-G/thrift,apache/thrift,Jens-G/thrift,Jens-G/thrift,nsuke/thrift,Jens-G/thrift,Jens-G/thrift,apache/thrift,Jens-G/thrift,Jens-G/thrift,apache/thrift,jeking3/thrift,jeking3/thrift,apache/thrift,apache/thrift,jeking3/thrift,Jens-G/thrift,jeking3/thrift,apache/thrift,apache/thrift,jeking3/thrift,Jens-G/thrift,nsuke/thrift,Jens-G/thrift,nsuke/thrift,nsuke/thrift,Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,apache/thrift,nsuke/thrift,nsuke/thrift