SSA: Fix alignment without a text position.
SSA: Fix alignment without a text position.

MaddTheSane/perian,JanX2/Perian,JanX2/Perian,MaddTheSane/perian,JanX2/Perian,JanX2/Perian,MaddTheSane/perian,MaddTheSane/perian,MaddTheSane/perian,JanX2/Perian,MaddTheSane/perian