Filenames with dots (in addition to the extension) are cut off in tab title

[stygianguest]

For reasons related to gnu make I have many pfm files with dots in the name which is cut off by
Consequently, when I open two files asdf.a.pfm and asdf.b.pfm I cannot distinguis them in the tabs because both are named 'asdf'.

[Acly]

Exchanged use of QFileInfo::baseName with QFileInfo::completeBaseName, that should show everything up to the last dot.