gitweb: Don't die_error in git_tag after already printing headers This fixes an XML error when visiting a nonexistent tag (i.e. "../gitweb.cgi?p=git.git;a=tag;h=refs/tags/BADNAME"). Signed-off-by: Anders Kaseorg <andersk@mit.edu> Acked-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>