Get rid of the last 'differs in signedness' compiler warnings:
tree34479f59cd167cdfc0d41e968ff26234c1d337eb
-rw-r--r-- 264 .cvsignore
-rw-r--r-- 3195 AUTHORS
-rw-r--r-- 338233 ChangeLog
-rw-r--r-- 15734 HACKING
-rw-r--r-- 15188 Makefile.am
-rw-r--r-- 37096 NEWS
-rw-r--r-- 4384 README
-rw-r--r-- 1073 README-alpha
-rw-r--r-- 5508 THANKS
-rw-r--r-- 4364 TODO
-rwxr-xr-x 12316 bootstrap
-rwxr-xr-x 13717 commit
-rw-r--r-- 6401 configure.ac
drwxr-xr-x - doc
drwxr-xr-x - examples
drwxr-xr-x - ltdl
drwxr-xr-x - m4
drwxr-xr-x - modules
drwxr-xr-x - po
drwxr-xr-x - src
drwxr-xr-x - tests