Better cross libc support.
 -Erik
diff --git a/utility.c b/utility.c
index 061ba64..a45edde 100644
--- a/utility.c
+++ b/utility.c
@@ -135,6 +135,7 @@
 
 #if defined BB_FREE || defined BB_INIT || defined BB_UNAME || defined BB_UPTIME
 #include <sys/syscall.h>
+#include <linux/unistd.h>
 _syscall1(int, sysinfo, struct sysinfo *, info);
 #endif                                                 /* BB_INIT */