clang-tidy: wrap statements in braces

Found with readability-braces-around-statements

Signed-off-by: Rosen Penev <rosenp@gmail.com>
3 jobs for clang in 2 minutes and 3 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
failed #8574599
makecheck

00:01:30

failed #8574601
make-win

00:01:57

failed #8574600
meson-makecheck

00:02:01

 
Name Stage Failure
failed
makecheck Test
  zlib-devel-1.2.11-23.fc33.x86_64                                              

Complete!
$ git clone ${CI_REPOSITORY_URL/spice-common.git/spice-protocol.git}
Cloning into 'spice-protocol'...
remote: The project you were looking for could not be found.
fatal: repository 'https://gitlab.freedesktop.org/mangix/spice-protocol.git/' not found
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
meson-makecheck Test
  zlib-devel-1.2.11-23.fc33.x86_64                                              

Complete!
$ git clone ${CI_REPOSITORY_URL/spice-common.git/spice-protocol.git}
Cloning into 'spice-protocol'...
remote: The project you were looking for could not be found.
fatal: repository 'https://gitlab.freedesktop.org/mangix/spice-protocol.git/' not found
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
make-win Test
  zlib-devel-1.2.11-23.fc33.x86_64                                              

Complete!
$ git clone ${CI_REPOSITORY_URL/spice-common.git/spice-protocol.git}
Cloning into 'spice-protocol'...
remote: The project you were looking for could not be found.
fatal: repository 'https://gitlab.freedesktop.org/mangix/spice-protocol.git/' not found
Cleaning up file based variables
ERROR: Job failed: exit code 1