Bug fix for not finding Graalvm instance and typo's

[reinbeumer]

Just some typo's of missing semicolons, trippel = and non braced if statements

[graalvmbot]

Hello brein, thanks for contributing a PR to our project!

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[reinbeumer]

I did sign in, I have an email with the link to the signed OCA

[MartinBalin]

Hello, thanks for PR. The fix in 4151446 has to be tested on various platforms and with SDKMan as well.

[graalvmbot]

Hello brein, thanks for contributing a PR to our project!

We use the Oracle Contributor Agreement to make the copyright of contributions clear. We don't have a record of you having signed this yet, based on your email address reinbeumer -(at)- gmail -(dot)- com. You can sign it at that link.

If you think you've already signed it, please comment below and we'll check.