Increase FD_SETSIZE to 4096 on Windows

driver-modminer.c

@@ -9,6 +9,10 @@
 
 #include "config.h"
 
+#ifdef WIN32
+#define FD_SETSIZE 4096
+#endif
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <unistd.h>

miner.c

@@ -11,6 +11,10 @@
 
 #include "config.h"
 
+#ifdef WIN32
+#define FD_SETSIZE 4096
+#endif
+
 #ifdef HAVE_CURSES
 #include <curses.h>
 #endif

util.c

@@ -13,6 +13,10 @@
 #define _GNU_SOURCE
 #include "config.h"
 
+#ifdef WIN32
+#define FD_SETSIZE 4096
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>