[FIX] `convertMatchesToGlobal()` now fills the `alignQualityStore` if it was empty.
[FIX] `convertMatchesToGlobal()` now fills the `alignQualityStore` if it was empty.

This fixes the regression in `snp_store` introduced in @11738.

git-svn-id: a7f2a8f7432d210e972fb03898013d213e2b549b@12286 e6417c60-b987-48fd-844e-b20f0fcc1017

gkno/seqan,gkno/seqan,gkno/seqan,gkno/seqan,gkno/seqan,gkno/seqan,gkno/seqan