Rename HAVE_FORK to USE_VFORK

It makes it a bit more obvious why there's a test there since HAVE_FORK
is the normal case.

1 files changed, 1 insertions, 1 deletions

diff --git a/session.h b/session.h
index ea59bca..941dcb9 100644
--- a/session.h
+++ b/session.h
@@ -218,7 +218,7 @@ struct serversession {
 	/* The resolved remote address, used for lastlog etc */
 	char *remotehost;
 
-#ifndef HAVE_FORK
+#ifdef USE_VFORK
 	pid_t server_pid;
 #endif