bad DynamicTextSpanner fix

[Werner LEMBERG]

I suspect that Neil's recent change

  Correct left text alignment of DynamicTextSpanner.

is the cause of the bad alignment of `cresc.' in the attached image
(using a one day old lilypond)

Please fix!


    Werner


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\relative {
  \crescTextCresc
  c1\p\< | c1 |
  \dimTextDim
  c1\!\f\> | c1 |
  c1\!
}