glibc: add "/run/current-system/sw/bin" to the default search path returned by "getconf CS_PATH"
Merge pull request #586 from peti/fix-default-search-path-in-getconf

glibc: add "/run/current-system/sw/bin" to the default search path returned by "getconf CS_PATH"
groff: explicitly disable X11 support in configure to avoid impure builds

Without this flag, the configure script will find /usr/X11 on host system and
assume that it can build with X11 support.