Index: programs/Xserver/hw/xfree86/vga256/drivers/i810/i810_accel.c
@@ -39,6 +39,7 @@
 
 #include <math.h>
 #include <stdio.h>
+#include <sys/types.h>
 #include <sys/mman.h>
 #include <signal.h>
 
