Define INVALID_SOCKET for Linux

GELLEZ · GELLEZ · commit c26d17c680e9 · 2018-01-30T13:50:42.000+01:00
diff --git a/test/HttpClient.h b/test/HttpClient.h
@@ -18,6 +18,7 @@
     #include <unistd.h> /* close */
     #include <netdb.h> /* gethostbyname */
     #define SOCKET_ERROR -1
+    #define INVALID_SOCKET -1
     #ifndef closesocket
         #define closesocket(s) close(s)
     #endif
