Thanks for your interest in the package, Matthias, and sorry for the late reply. The packaging at https://salsa.debian.org/debian/organicmaps has been done by Jochen Sprickerhof. Feel free to take over the ITP related to libsuccint if you want: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1025499
Have a nice day, -- Federico