Revert "fail on changed init section"

This reverts commit 7b15e23149bcb9e8b4e671542485ac8d5d54ec1b.

It seems that there was no bug to start with, so apparently the commit
didn't fix anything.

Fixes #103.
Merge pull request #152 from jpoimboe/revert-init-fix

Revert "fail on changed init section"