New review comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/32403#discussion_r687332275

Comment:
I think it's better to remove `--with-readline=yes` from `configure_args` then
```suggestion
do_configure() {
	mkdir build-lib
	cd build-lib
	../configure --with-ngshared ${configure_args}
	mkdir build
	../configure --with-readline=yes ${configure_args}
}

do_build() {
	make -C build-lib ${makejobs}
	make -C build ${makejobs}
}
```