misc(lua/proxy_wasm) localize non-localized functions

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.59071%. Comparing base (fa4a249) to head (4642c59).

Additional details and impacted files

[](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/583?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) ```diff @@ Coverage Diff @@ ## main #583 +/- ## =================================================== - Coverage 90.60900% 90.59071% -0.01829% =================================================== Files 49 49 Lines 10936 10936 =================================================== - Hits 9909 9907 -2 - Misses 1027 1029 +2 ``` [see 1 file with indirect coverage changes](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/583/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) | [Flag](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/583/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/583/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) | `90.32662% <ø> (ø)` | | | [valgrind](https://app.codecov.io/gh/Kong/ngx_wasm_module/pull/583/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong) | `82.04020% <ø> (-0.07036%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kong#carryforward-flags-in-the-pull-request-comment) to find out more.