Remove unnecessary include.

And unistd.h is not available on windows.

include/kiwixserve.h

@@ -1,15 +1,7 @@
 #ifndef KIWIXLIB_KIWIX_SERVE_H_
 #define KIWIXLIB_KIWIX_SERVE_H_
 
-#ifdef _WIN32
-// winsock2.h need to be included before windows.h (included by curl.h)
-# include <winsock2.h>
-#endif
-
-#include <sys/types.h>
-#include <unistd.h>
 #include <memory>
-#include "tools/pathTools.h"
 
 class Subprocess;
 namespace kiwix {

src/kiwixserve.cpp

@@ -3,10 +3,14 @@
 
 #ifdef _WIN32
     # define KIWIXSERVE_CMD "kiwix-serve.exe"
+    # include <windows.h>
 #else
     # define KIWIXSERVE_CMD "kiwix-serve"
+    # include <unistd.h>
 #endif
 
+#include "tools/pathTools.h"
+
 namespace kiwix {
 
 KiwixServe::KiwixServe() : m_port(8181)
@@ -54,4 +58,4 @@ void KiwixServe::shutDown()
         mp_kiwixServe->kill();
 }
 
-}
+}

src/tools/pathTools.cpp

@@ -29,11 +29,6 @@
 #define getcwd _getcwd  // stupid MSFT "deprecation" warning
 #endif
 
-#ifdef _WIN32
-#else
-#include <unistd.h>
-#endif
-
 #ifdef _WIN32
 const std::string SEPARATOR("\\");
 #else