fixes #2301: check for a file named pingvin_version, not a variable with the same name (#2302)

Author: alberanid

ct/pingvin.sh

@@ -34,7 +34,7 @@ function update_script() {
     fi
 
     RELEASE=$(curl -s https://api.github.com/repos/stonith404/pingvin-share/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
-    if [[ ! -f /opt/$pingvin_version.txt ]] || [[ "${RELEASE}" != "$(cat /opt/pingvin_version.txt)" ]]; then
+    if [[ ! -f /opt/pingvin_version.txt ]] || [[ "${RELEASE}" != "$(cat /opt/pingvin_version.txt)" ]]; then
 
       msg_info "Stopping Pingvin Share"
       systemctl stop pm2-root.service