maint: replace misused "a" with "an"
-rw-r--r-- 14 .cvsignore
-rw-r--r-- 252 .gitattributes
-rw-r--r-- 64 .gitignore
-rw-r--r-- 949 COPYING
-rw-r--r-- 2969002 ChangeLog
-rw-r--r-- 4644 DEPENDENCIES
-rwxr-xr-x 79278 MODULES.html.sh
-rw-r--r-- 3526 Makefile
-rw-r--r-- 29905 NEWS
-rw-r--r-- 14135 README
drwxr-xr-x - build-aux
-rwxr-xr-x 7725 check-module
drwxr-xr-x - config
drwxr-xr-x - doc
-rwxr-xr-x 229805 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