Install libtool on FreeBSD

packer/freebsd/post-install.sh.in

@@ -6,7 +6,7 @@ echo "kern.corefile=core.%P" >> /etc/sysctl.conf
 
 sysrc hostname="freebsd"
 
-ASSUME_ALWAYS_YES=yes pkg install bash cmocka fstrm gdb git json-c libmaxminddb libuv libxml2 p5-Net-DNS pkgconf protobuf-c py37-dnspython py37-pip py37-ply py37-pytest py37-requests sudo
+ASSUME_ALWAYS_YES=yes pkg install bash cmocka fstrm gdb git json-c libmaxminddb libtool libuv libxml2 p5-Net-DNS pkgconf protobuf-c py37-dnspython py37-pip py37-ply py37-pytest py37-requests sudo
 
 # Prefer GDB from ports
 if [ -x /usr/bin/gdb ]; then