Rename MAX_FDIO_FD to FDIO_MAX_FD

Change-Id: I60d8cf15228379fe79306c31b8dadaa45587a154
diff --git a/openbsd-compat/bsd-closefrom.c b/openbsd-compat/bsd-closefrom.c
index a05ab87..3d376e5 100644
--- a/openbsd-compat/bsd-closefrom.c
+++ b/openbsd-compat/bsd-closefrom.c
@@ -100,7 +100,7 @@
 #ifdef HAVE_SYSCONF
 	maxfd = sysconf(_SC_OPEN_MAX);
 #elif __Fuchsia__
-        maxfd = MAX_FDIO_FD;
+        maxfd = FDIO_MAX_FD;
 #else
 	maxfd = getdtablesize();
 #endif /* HAVE_SYSCONF */