lib/sod.h, src/class-output.lisp: Rename `SOD__CAR' to `SOD_CAR'.

[sod] / debian / libsod-dev.install

/usr/include/sod
/usr/lib/*/libsod.a
/usr/lib/*/libsod.la
/usr/lib/*/libsod.so
/usr/lib/*/pkgconfig