Change pf firewall detection

include/tests_firewalls

@@ -146,7 +146,7 @@
 
         # Check status with pfctl
         logtext "Test: checking pf status via pfctl"
-        if [ ! "${PFCTLBINARY}" = "" -a -f /dev/pf ]; then
+        if [ ! "${PFCTLBINARY}" = "" ]; then
             FIND=`${PFCTLBINARY} -sa 2>&1 | grep "^Status" | head -1 | awk '{ print $2 }'`
             if [ "${FIND}" = "Enabled" ]; then
                 Display --indent 2 --text "- Checking pf status (pfctl)" --result ENABLED --color GREEN
@@ -166,7 +166,7 @@
         fi
 
         # If we didn't find the status to be enabled, stop searching
-        if [ ${PFFOUND} -eq 1 ]; then
+        if [ ${PFFOUND} -eq 0 ]; then
             # Check for pf kernel module (FreeBSD and similar)
             logtext "Test: searching for pf kernel module"
             if [ ! "${KLDSTATBINARY}" = "" ]; then