Add spaces around '+'

Like most other Qt coding styles, the necessary spaces should be added
to the sides of the '+'

Pick-to: 5.15
Change-Id: I6fdbc6b24861e7a75633354a0ded636b1a38cd21
Reviewed-by: Liang Qi <liang.qi@qt.io>
This commit is contained in:
Jide Zhang 2020-06-27 16:04:41 +08:00 committed by Liang Qi
parent 08a3e9eb8d
commit a695c7fbc8