doc: mknews: support Email::MIME <1.930

Email::MIME::header_str is not available until 1.930, so the
rest of our code uses Email::MIME::header for compatibility
with distros, since CentOS 7.x only has 1.926.

1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/mknews.perl b/Documentation/mknews.perl
index e78c1cb8..5ede3696 100755
--- a/Documentation/mknews.perl
+++ b/Documentation/mknews.perl
@@ -80,7 +80,7 @@ sub release2mime {
 
 sub mime2txt {
         my ($out, $mime) = @_;
-        my $title = $mime->header_str('Subject');
+        my $title = $mime->header('Subject');
         $title =~ s/^\s*\[\w+\]\s*//g; # [ANNOUNCE] or [ANN]
         my $dtime = msg_datestamp($mime->header_obj);
         $title .= ' - ' . PublicInbox::View::fmt_ts($dtime) . ' UTC';