v-update-host-certificate fix: restarting vesta instead of web-backend

bin/v-update-host-certificate

@@ -73,7 +73,7 @@ chown $exim_user:mail $VESTA/ssl/certificate.key
 
 # Restart exim, dovecot & vesta
 v-restart-mail
-v-restart-web-backend
+v-restart-service vesta
 
 
 #----------------------------------------------------------#
@@ -83,4 +83,4 @@ v-restart-web-backend
 # Logging
 log_event "$OK" "$ARGUMENTS"
 
-exit 0;
+exit 0;