Created attachment 21335 [details] [review] Enable -Werror by default with --enable-maintainer-mode, and change warnings Important compiler warnings were being lost in the noise from warnings we know about but aren't problems, and moreover made using -Werror difficult. Now we expect *all* developers and testers to be using -Werror.
Created attachment 21336 [details] [review] Various compiler warning fixes
Patches look good to me.
Committed, thanks for the review.
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