Fix a few 'smatch' warnings.
treea4d4acf3fcc416201e6f345dabd90dc0110cd8d3
-rw-r--r-- 17989 COPYING
-rw-r--r-- 9416 INSTALL
-rw-r--r-- 349 KnownBugs
-rw-r--r-- 522 Makefile.am
-rw-r--r-- 7867 NEWS
-rw-r--r-- 3972 README
-rw-r--r-- 136 THANKS
-rw-r--r-- 2130 TODO.org
-rw-r--r-- 11023 acinclude.m4
-rwxr-xr-x 2443 autogen.sh
-rw-r--r-- 9891 configure.ac
drwxr-xr-x - debian
drwxr-xr-x - doc
drwxr-xr-x - m4
drwxr-xr-x - po
drwxr-xr-x - src
drwxr-xr-x - tests