Expand range of versions of glibc for which _GNU_SOURCE is needed to get crypt.
tree026d1bcf7102ce2ce5930396e9e6e8efb88c68d8
-rw-r--r-- 14 .cvsignore
-rw-r--r-- 252 .gitattributes
-rw-r--r-- 64 .gitignore
-rw-r--r-- 949 COPYING
-rw-r--r-- 3208583 ChangeLog
-rw-r--r-- 4644 DEPENDENCIES
-rwxr-xr-x 79866 MODULES.html.sh
-rw-r--r-- 5213 Makefile
-rw-r--r-- 31134 NEWS
-rw-r--r-- 13818 README
-rw-r--r-- 4566 STATUS-libposix
drwxr-xr-x - build-aux
-rwxr-xr-x 7725 check-module
drwxr-xr-x - config
drwxr-xr-x - doc
-rwxr-xr-x 241771 gnulib-tool
drwxr-xr-x - lib
drwxr-xr-x - m4
drwxr-xr-x - modules
-rwxr-xr-x 9283 posix-modules
drwxr-xr-x - tests
drwxr-xr-x - top
-rw-r--r-- 6457 users.txt