timezone: correct check for when there is nothing to do

We were unconditionally copying the zoneinfo file when we should
be doing nothing.

Reported-by: Leonid Isaev <lisaev@umail.iu.edu>
Signed-off-by: Tom Gundersen <teg@jklm.no>

1 files changed, 1 insertions, 1 deletions

diff --git a/functions b/functions
index 8056be0..02852b8 100644
--- a/functions
+++ b/functions
@@ -401,7 +401,7 @@ read_crypttab() {
 }
 
 set_timezone() {
-	local tz=$1 zonefile=/usr/share/zoneinfo/$tz
+	local tz=$1 zonefile=/usr/share/zoneinfo/$1
 
 	[[ $tz ]] || return 1