Slur padding on dotted notes

[Jay Anderson]

This is a nitpick, but it's noticeable.

\version "2.19.2" % and 2.18.0

\score {
  \new Staff \relative c''' {
    %non-dotted
    \time 4/4
    g4( f) g( a) |
    g4~ g a~ a |

    %dotted
    \time 12/8
    g4.( f) g( a) | %Slurs pushed further away than necessary.
    g4.~ g a~ a | %Ties look ok to me.
  }
}