Squashed 'sqlite/' changes from 2cbe9ce..99ec0ff

99ec0ff import from upstram tarball sqlite-autoconf-3080500.tar.gz

git-subtree-dir: sqlite
git-subtree-split: 99ec0ff189966ed4bcdf9366d912867bb95e2fff
Merge commit 'e226698c62ad277c12309ad11bc4d3747ef29774' into next