Import 3249309001: Verify transaction queue size before executing transaction to avoid dereferencing a null* (by Caitlyn)

[daleglass]

This is an automated proposal to look at a commit made by Caitlyn and import it into Overte

Commit:	3249309001d9e67b46cac82a07dc7321e739d7a7
Author:	Caitlyn
Date:	Mon, 04 May 2020 15:12

Verify transaction queue size before executing transaction to avoid dereferencing a null*

Stats:

Filename	Stats	Lines	Added	Removed	Lines in blame
libraries/entities-renderer/src/EntityTreeRenderer.cpp		2	1	1	⚠ 0
libraries/render/src/render/Scene.h		2	2	0	2
2 files	-	4	3	1	2

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Useful commits should be submitted as a PR against Overte. Tag this issue in PR, so that it's automatically closed once the PR is merged.

You can cherry-pick this issue with this command:

git cherry-pick 3249309001d9e67b46cac82a07dc7321e739d7a7