In order to compile DictEngSwe.gf, you must now first run this script to create
FolketsLexikon.gf.
cd lib/src/swedish/folketslexikon
make
This will automatically download and convert Folkets Lexikon.
If the download fails, a dummy version of FolketsLexikon.gf will remain,
allowing DictEngSwe.gf to be compiled anyway.