New issue by ericonr on void-packages repository

https://github.com/void-linux/void-packages/issues/24313

Description:
### Expected behavior

Setting `XBPS_PKG_OPTIONS_execline=static` in `etc/conf` and running `./xbps-src pkg execline` should build a statically linked `execline` package.

### Actual behavior

The package is built normally, as if no option had been selected.

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Need to take a look through the code to see where the variable is lost.