Single-line bodies of single-line controls don't need braces.
If one block of an if/else chain needs braces, the rest get them too.
One long condition needed a split that forced its body to need braces.
Change-Id: Ic4116b1273e16a586fdec18e6d8228e48a9cb07c
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
e5ba838045