bug 2502: correctly check patron account expiration

When placing a hold request from the staff interface,
now correctly indicate if the patron account has expired.
Prior to this patch, would warn that the account
had expired even when the expiry date is in the future,
and vice versa.

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>

reserve/request.pl

@@ -110,9 +110,10 @@ =head1 request.pl
     }
 
     # we check the date expiry of the borrower (only if there is an expiry date, otherwise, set to 1 (warn)
-    my $expiry = $borrowerinfo->{dateexpiry};
-    unless ($expiry and $expiry ne '0000-00-00' and
-            Date_to_Days(split /-/,$date) > Date_to_Days(split /-/,$expiry)) {
+    my $expiry_date = $borrowerinfo->{dateexpiry};
+    my $expiry = 0; # flag set if patron account has expired
+    if ($expiry_date and $expiry_date ne '0000-00-00' and
+            Date_to_Days(split /-/,$date) > Date_to_Days(split /-/,$expiry_date)) {
 		$messages = $expiry = 1;
     }