Merge pull request rfxn#178 from FlorianHeigl/patch-1

a working freebsd detection

Author: rfxn

install.sh

@@ -85,7 +85,7 @@ if [ -d "/etc/cron.d" ]; then
 	chmod 644 /etc/cron.d/maldet_pub
 fi
 
-if [ "$OSTYPE" != "FreeBSD" ]; then
+if [ "$(uname -s)" != "FreeBSD" ]; then
 	if test `cat /proc/1/comm` = "systemd"
 	then
 		mkdir -p /etc/systemd/system/