Move libraries into subdirectories for better selectivity when building.
- [DH] misc/builddeps/dp.linux32/share/man/man1/cjpeg.1
- [DH] misc/builddeps/dp.linux32/share/man/man1/djpeg.1
- [DH] misc/builddeps/dp.linux32/share/man/man1/jpegtran.1
- [DH] misc/builddeps/dp.linux32/share/man/man1/rdjpgcom.1
- [DH] misc/builddeps/dp.linux32/share/man/man1/wrjpgcom.1