On windows, include fcntl.h, before using _setmode.

ChangeLog

@@ -5,7 +5,8 @@
 	Needed for cross-compiling with --host=i586-mingw32msvc.
 
 	* examples/base16dec.c: Don't #include files using <nettle/...>,
-	we don't want to pick up installed versions.
+	we don't want to pick up installed versions. On windows, include
+	<fcntl.h>, needed for _setmode.
 	* examples/base16enc.c: Likewise.
 	* examples/base64dec.c: Likewise.
 	* examples/base64enc.c: Likewise

examples/base16dec.c

@@ -26,6 +26,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#ifdef WIN32
+#include <fcntl.h>
+#endif
 
 #include "base16.h"
 

examples/base16enc.c

@@ -26,6 +26,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#ifdef WIN32
+#include <fcntl.h>
+#endif
 
 #include "base16.h"
 

examples/base64dec.c

@@ -26,6 +26,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#ifdef WIN32
+#include <fcntl.h>
+#endif
 
 #include "base64.h"
 

examples/base64enc.c

@@ -26,6 +26,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#ifdef WIN32
+#include <fcntl.h>
+#endif
 
 #include "base64.h"