If anyone on a true x86 Linux box can check that I didn't break the i686 KindleTool builds, that'd be great

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(I updated my desktop, and am finally running an x86_64 system, yay. Which means I'm now leveraging GCC's multilib feature to build those. It's been a very long while since I've had to play with that manually... I think I got everything right, but, still... ^^).