main/json-c: regen autoconf

fixxes error about missing autoheader
main/lftp: upgrade to 4.4.16
main/gcc: fix posix_memalign prototype for c++
main/libxkbcommon: upgrade to 0.4.1
main/rxvt-unicode: upgrade to 9.20
main/aaudit: track file permissions too, and run git-gc
testing/nimrod: readline in interactive mode

The nimrod interactive mode (nimrod i) loads readline.so
at run time.

The various patches for compilation on musl was also reworked.
main/docker: upgrade to 0.11.1