Fix numbering for numerical solution of vegetation temperature/fluxes in technical note section 2.5.3.2

[olyson]

What sort(s) of documentation issue is this?

• Something is missing.
• Something is (or might be) incorrect or outdated.
• Something is confusing.
• Something is broken.

What part(s) of the documentation does this concern?

• Technical Note (science and design of the model)
• User's Guide (using the model and related tools)
• Somewhere else (e.g., README file, tool help text, or code comment): Please specify
• I don't know

Describe the issue

Numbering of numerical implementation in section 2.5.3.2 is not sequential.