Revert "/srv is not on BSD systems"

This reverts commit 853f6dff21.
Paths in systems variable are always backed up, that is not the case of /srv.
We have to manually remove /srv when we do not want it.

zzz_evobackup

@@ -178,7 +178,7 @@ HOSTNAME=$(hostname)
 BEGINNING=$(/bin/date +"%d-%m-%Y ; %H:%M")
 
 if [ "$SYSTEM" = "linux" ]; then
-    rep="/bin /boot /lib /opt /sbin /usr /srv"
+    rep="/bin /boot /lib /opt /sbin /usr"
 else
     rep="/bsd /bin /sbin /usr"
 fi
@@ -218,6 +218,7 @@ rsync -avzh --stats --delete --delete-excluded --force --ignore-errors --partial
         /root                                          \
         /var                                           \
         /home                                          \
+        /srv                                           \
     -e "ssh -p $SSH_PORT"                              \
     "root@$SRV:/var/backup/"                           \
     | tail -30 >> /var/log/evobackup.log