make sure configure fails if libnfnetlink is too old (< 0.0.16)
-rw-r--r-- 17982 COPYING
-rw-r--r-- 229 Makefile.am
-rwxr-xr-x 1304 autogen.sh
-rw-r--r-- 663 configure.in
drwxr-xr-x - include
drwxr-xr-x - src
drwxr-xr-x - utils