Core: Fix build for shit OS

Closes #12597

src/server/shared/Define.h

@@ -28,6 +28,9 @@
 #  if !defined(__STDC_CONSTANT_MACROS)
 #    define __STDC_CONSTANT_MACROS
 #  endif
+#  if !defined(_GLIBCXX_USE_NANOSLEEP)
+#    define _GLIBCXX_USE_NANOSLEEP
+#  endif
 #endif
 
 #include <cstddef>

src/server/shared/Utilities/Util.cpp

@@ -18,13 +18,14 @@
 
 #include "Util.h"
 #include "Common.h"
+#include "CompilerDefs.h"
 #include "utf8.h"
 #include "SFMT.h"
 #include "Errors.h" // for ASSERT
 #include <stdarg.h>
 #include <boost/thread/tss.hpp>
 
-#if PLATFORM == PLATFORM_UNIX
+#if COMPILER == COMPILER_GNU
   #include <sys/socket.h>
   #include <netinet/in.h>
   #include <arpa/inet.h>