[4.1] 5f9cf70 Fix typo spotted by fgs

[Lasse Karstensen]

commit 5f9cf70f1a0d00619e110c7ad2200b346992a719
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Wed Jan 6 14:34:30 2016 +0000

    Fix typo spotted by fgs

diff --git a/lib/libvarnish/vsub.c b/lib/libvarnish/vsub.c
index b669fff..d774e53 100644
--- a/lib/libvarnish/vsub.c
+++ b/lib/libvarnish/vsub.c
@@ -58,7 +58,7 @@ VSUB_closefrom(int fd)
 #ifdef HAVE_CLOSEFROM
 	closefrom(fd);
 #else
-	int i = sysconf(_SC_OPEN_MAX);
+	int i;
 	for (i = sysconf(_SC_OPEN_MAX); i > fd; i--)
 		(void)close(i);
 #endif