Fix typos.
-rw-r--r-- 949 COPYING
-rw-r--r-- 1000825 ChangeLog
-rwxr-xr-x 48255 MODULES.html.sh
-rw-r--r-- 563 Makefile
-rw-r--r-- 2700 NEWS
-rw-r--r-- 11518 README
drwxr-xr-x - build-aux
-rwxr-xr-x 7358 check-module
drwxr-xr-x - config
drwxr-xr-x - doc
-rwxr-xr-x 112378 gnulib-tool
drwxr-xr-x - lib
drwxr-xr-x - m4
drwxr-xr-x - modules
drwxr-xr-x - tests
-rw-r--r-- 3377 users.txt