$OpenBSD: patch-os_os-openbsd_h,v 1.1 2020/01/28 20:45:01 kurt Exp $

Use swap{16|32|64} on OpenBSD.

Index: os/os-openbsd.h
--- os/os-openbsd.h.orig
+++ os/os-openbsd.h
@@ -31,9 +31,9 @@
 #define PTHREAD_STACK_MIN 4096
 #endif
 
-#define fio_swap16(x)	bswap16(x)
-#define fio_swap32(x)	bswap32(x)
-#define fio_swap64(x)	bswap64(x)
+#define fio_swap16(x)	swap16(x)
+#define fio_swap32(x)	swap32(x)
+#define fio_swap64(x)	swap64(x)
 
 typedef off_t off64_t;
 
