fix bug introduced in r739

When replacing named captures for Perl 5.8 compatibility,
need to make sure regex groups that shouldn't capture
are marked as such.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>

diff --git a/marc_cleanup b/marc_cleanup
index 3b2c2ed..f978ef3 100755 (executable)
--- a/marc_cleanup
+++ b/marc_cleanup
@@ -186,7 +186,7 @@ sub do_automated_cleanups {
 sub stow_record_data {
     # get tag data if we're looking at it
     my $tag = 0;
-    if ($record[$ptr] =~ m/<(control|data)field tag="(.{3})"/) {
+    if ($record[$ptr] =~ m/<(?:control|data)field tag="(.{3})"/) {
         $recmeta{tag} = $1;
         $tag = $recmeta{tag};
         $record[$ptr] =~ m/ind1="(.)"/;