test: Change declaration by var to let.
Checklist
-
make -j8 test
(UNIX), orvcbuild test nosign
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines
Affected core subsystem(s)
none
Description of change
I narrowed the scope of local variables in for
on test-buffer-fill.js.
Since i
and tmp
are not used outside of for
, they do not have to be var
declarations.