Also check the index file size when deciding whether to reload a revlog.
This should fix some spurious failures from test-clone-pull-corruption
(issue552).
#!/bin/sh
echo "[extensions]" >> $HGRCPATH
echo "mq=" >> $HGRCPATH
hg init a
cd a
hg qnew first.patch
hg qnew first.patch
touch ../first.patch
hg qimport ../first.patch
exit 0