make progress dialogs step count 64 bit

Authored by mreeves on Jul 16 2018, 12:53 AM.

Description

make progress dialogs step count 64 bit

DirectoryMergeWindow::Data::fastFileComparison already tries to set the
step count with a 64 bit value. Make it an actual 64 bit value to avoid
integer overflow. While were at use const to guard against attempts to
change the inbound parameter.

Details

Committed
mreevesJul 16 2018, 1:01 AM
Parents
R983:945a403e81db: Scrub unused/defined else where
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