Take advantage of newer gpg-error features.
-rw-r--r-- 53838 ABOUT-NLS
-rw-r--r-- 4380 AUTHORS
-rw-r--r-- 17992 COPYING
-rw-r--r-- 18897 ChangeLog
-rw-r--r-- 9240 INSTALL
-rw-r--r-- 1932 Makefile.am
-rw-r--r-- 11647 NEWS
-rw-r--r-- 2311 README
-rw-r--r-- 2144 README.SVN
-rw-r--r-- 12323 THANKS
-rw-r--r-- 4058 TODO
-rw-r--r-- 12516 acinclude.m4
drwxr-xr-x - agent
drwxr-xr-x - am
drwxr-xr-x - artwork
-rwxr-xr-x 4692 autogen.sh
-rw-r--r-- 446 build-w32.sh
drwxr-xr-x - common
-rw-r--r-- 40339 configure.ac
drwxr-xr-x - doc
drwxr-xr-x - g10
drwxr-xr-x - gl
drwxr-xr-x - include
drwxr-xr-x - intl
drwxr-xr-x - jnlib
drwxr-xr-x - kbx
drwxr-xr-x - keyserver
drwxr-xr-x - m4
drwxr-xr-x - po
drwxr-xr-x - scd
drwxr-xr-x - scripts
drwxr-xr-x - sm
drwxr-xr-x - tests
drwxr-xr-x - tools