mmdlg: fix a memory leak
showatt: fix a potential memory leak
splinefont: fix some memory leaks
Drop leftovers of broken-size output for TTF files

(Note that support for reading these early broken files is still
there, in parsettfatt.c – which is good.)
Drop (ancient) OFLib support
Fix MIME detection by adding missing comma
Frank wants NULL ptrs
Merge pull request #1535 from adrientetar/comma

Fix MIME detection by adding missing comma
Merge pull request #1533 from adrientetar/oflib-removal

Drop (ancient) OFLib support
Merge pull request #1532 from adrientetar/leaks

Fix some memory leaks