Fix Windows compile warnings

src/SSLSocket.h

@@ -13,9 +13,6 @@
  * Contributors:
  *    Ian Craggs, Allan Stockdill-Mander - initial implementation 
  *******************************************************************************/
-
-#include "MQTTClient.h"
-
 #if !defined(SSLSOCKET_H)
 #define SSLSOCKET_H
 

src/Socket.h

@@ -24,12 +24,14 @@
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #define MAXHOSTNAMELEN 256
+#if !defined(SSLSOCKET_H)
 #define EAGAIN WSAEWOULDBLOCK
 #define EINTR WSAEINTR
 #define EINPROGRESS WSAEINPROGRESS
 #define EWOULDBLOCK WSAEWOULDBLOCK
 #define ENOTCONN WSAENOTCONN
 #define ECONNRESET WSAECONNRESET
+#endif
 #define ioctl ioctlsocket
 #define socklen_t int
 #else