Don't fail if /srv/slapgrid doesn't exist

install-amarisoft.sh

@@ -64,7 +64,7 @@ if [ -z "$OLD_VERSION" ]; then
   usage; exit
 fi
 
-if grep -q started $(find /srv/slapgrid -type f -name "*requested_state*" || true); then
+if test -d /srv/slapgrid && grep -q started $(find /srv/slapgrid -type f -name "*requested_state*" || true); then
   echo "Please stop all slapos services before installing root access"
   exit
 fi