D24827: auto-enable KIO_ASSERT_SLAVE_STATES also for from-git builds

[Harald Sitter]

sitter marked 3 inline comments as done.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D24827

To: sitter, dfaure
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns