The Stem of Longa notes is short when Baroque Notehead style is used

[Pothárn Imre]

%% The stem length of the longa is very short when Baroque NoteHead style is 
used.

\version "2.18.2"

\relative c' { \time 4/1 c\longa \override NoteHead.style = #'baroque c\longa 
}