Bug? Repeat bar symbol printed in wrong place.

[Peter Chubb]

Hi,
        The attached file shows the problem.  The final repeat symbol
        is printed a bar early.

Peter C

\score {
       \melodic { \octave c'';
       \meter 2/4;
       \bar "|:";
       f2 | f2 \bar ":|";
       }
       \paper{
       }
}