Fix LibVNCClient compilation with MSVC 2014

common/vncauth.c

@@ -31,7 +31,9 @@
 #endif
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef LIBVNCSERVER_HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <rfb/rfbproto.h>
 #include "d3des.h"
 

libvncclient/listen.c

@@ -25,7 +25,9 @@
 #ifdef __STRICT_ANSI__
 #define _BSD_SOURCE
 #endif
+#if LIBVNCSERVER_HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <sys/types.h>
 #ifdef WIN32
 #define close closesocket
@@ -34,7 +36,9 @@
 #include <sys/wait.h>
 #include <sys/utsname.h>
 #endif
+#if LIBVNCSERVER_HAVE_SYS_TIME_H
 #include <sys/time.h>
+#endif
 #include <rfb/rfbclient.h>
 
 /*

libvncclient/sockets.c

@@ -30,7 +30,9 @@
 # define _POSIX_SOURCE
 #endif
 #endif
+#if LIBVNCSERVER_HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <errno.h>
 #include <fcntl.h>
 #include <assert.h>

rfb/rfbclient.h

@@ -38,8 +38,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#if LIBVNCSERVER_HAVE_SYS_TIME_H
 #include <sys/time.h>
+#endif
+#if LIBVNCSERVER_HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <rfb/rfbproto.h>
 #include <rfb/keysym.h>