Added linux386 platform.

plat/linux386/libsys/lseek.c

@@ -0,0 +1,14 @@
+/* $Source$
+ * $State$
+ * $Revision$
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include "libsys.h"
+
+off_t lseek(int fd, off_t offset, int whence)
+{
+	return _syscall(__NR_lseek, fd, offset, whence);
+}