fixed bug for Windows build

cyassl/test.h

@@ -495,7 +495,6 @@ static INLINE void tcp_accept(SOCKET_T* sockfd, int* clientfd, func_args* args,
 
 static INLINE void tcp_set_nonblocking(SOCKET_T* sockfd)
 {
-    (void)sockfd;
 #ifdef NON_BLOCKING
     #ifdef USE_WINDOWS_API 
         unsigned long blocking = 1;
@@ -505,6 +504,7 @@ static INLINE void tcp_set_nonblocking(SOCKET_T* sockfd)
         int ret = fcntl(*sockfd, F_SETFL, flags | O_NONBLOCK);
     #endif
 #endif
+    (void)sockfd;
 }
 
 

src/internal.c

@@ -1588,6 +1588,11 @@ retry:
                 return WANT_READ;
 
             case IO_ERR_CONN_RST:       /* connection reset */
+                #ifdef USE_WINDOWS_API
+                if (ssl->options.dtls) {
+                    return WANT_READ;
+                }
+                #endif
                 ssl->options.connReset = 1;
                 return -1;