check existence to prevent warning

git-svn-id: svn+ssh://mjesec/home/dpavlin/svn/webpac2/trunk@1372 07558da8-63fa-0310-ba24-9fe276d99e06

diff --git a/t/2-input-isi.t b/t/2-input-isi.t
index c987749..289e8f8 100755 (executable)
--- a/t/2-input-isi.t
+++ b/t/2-input-isi.t
@@ -29,7 +29,7 @@ cmp_ok( $size, '==', 3, 'size ok' );
 foreach my $mfn ( 1 ... $size ) {
        my $rec = $input->fetch;
 
-       ok( $rec->{TI}, 'TI' );
+       ok( exists($rec->{TI}), 'TI' );
 
        cmp_ok($input->pos, '==', $mfn, "pos $mfn");