Moved sockets abstraction to specialized mhd_socket.h/.c files

src/testcurl/https/test_https_time_out.c

@@ -30,6 +30,7 @@
 #include "internal.h"
 #include "tls_test_common.h"
 #include <gcrypt.h>
+#include "mhd_sockets.h" /* only macros used */
 
 #ifdef _WIN32
 #ifndef WIN32_LEAN_AND_MEAN

src/testcurl/https/test_tls_extensions.c

@@ -28,6 +28,8 @@
 #include "platform.h"
 #include "microhttpd.h"
 #include "tls_test_common.h"
+#include "mhd_sockets.h" /* only macros used */
+
 #define MAX_EXT_DATA_LENGTH 256
 
 extern const char srv_key_pem[];