Windows build fixes

src/SysUtils.cpp

@@ -41,7 +41,9 @@
 #include <sys/socket.h>
 #endif
 
+#if defined(__linux__) || defined(__APPLE__)
 #include <sys/socket.h>
+#endif
 
 #include "SysUtils.h"
 #include <stdint.h>

src/Utilities.cpp

@@ -30,10 +30,13 @@
  * Misc utilities
  */
 
-//#include "libztDebug.h"
 #include "Utilities.h"
 
-#if defined(__MINGW32__)
+#if defined(__MINGW32__) || defined(__MINGW64__)
+
+#include <WinSock2.h>
+#include <stdint.h>
+#include <string.h>
 
 int inet_pton4(const char *src, void *dst)
 {

src/libzt.cpp

@@ -49,7 +49,6 @@
 #include "libztDebug.h"
 
 #include <string.h>
-//void * memcpy(void * dst, const void * src, size_t n);
 
 #ifdef __cplusplus
 extern "C" {