/usr/lib/x86_64-linux-gnu/libSDL_Pango.so is in libsdl-pango-dev 0.1.2-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libSDL_Pango.so.1.1.0
/usr/lib/x86_64-linux-gnu/libSDL_Pango.so.1.1.0