declare the variable

migrations/20191029223928-settings-default-sysinfo.js

@@ -9,6 +9,8 @@ exports.up = function(db, callback) {
     }
 
     const provider = fs.readFileSync('/etc/cloudron/PROVIDER', 'utf8');
+    let sysinfoConfig;
+
     if (provider === 'ec2' || provider === 'lightsail' || provider === 'ami') {
         sysinfoConfig = { provider: 'ec2' };
     } else if (provider === 'scaleway') {