FIX compiling, return type of dsp_read_bdf_glyph

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7255 8aca7d54-2c30-db11-9de9-000461428c89
FIX signed-unsigned comparison

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7256 8aca7d54-2c30-db11-9de9-000461428c89
FIX initializer

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7257 8aca7d54-2c30-db11-9de9-000461428c89
FIX mismatched new[] / delete

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7258 8aca7d54-2c30-db11-9de9-000461428c89
CODE: add default constructor for font_type

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7259 8aca7d54-2c30-db11-9de9-000461428c89
FIX: out-of-bounds writes, realloc with correct size

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7260 8aca7d54-2c30-db11-9de9-000461428c89