Ninja: fix ARMClang paths for Windows

We need to escape paths for ARMClang on Windows, see the referenced
issue for more details.

Fixes: #21093
34 jobs for !6484 with fix-issue-#21093 in 4 minutes and 30 seconds (queued for 1 second)
latest detached
Status Name Job ID Coverage
  Build
manual build:centos6-x86_64 #6124504
cmake build docker linux manual
manual build:fedora34-ninja #6124505
cmake build docker linux linux-3.17 manual
manual build:macos-x86_64-makefiles #6124507
cmake macos shell xcode-12.5 nonconcurrent manual
manual build:macos-x86_64-ninja #6124506
cmake macos shell xcode-12.5 nonconcurrent manual
manual build:windows-vs2019-x64-ninja #6124508
cmake windows shell vs2019 msvc-19.29-16.10 nonconcurrent manual
passed lint:codespell #6124500
cmake build docker linux

00:00:20

passed lint:debian10-iwyu #6124501
cmake build docker linux

00:02:41

passed lint:fedora34-sphinx #6124503
cmake build docker linux linux-3.17

00:04:30

passed lint:fedora34-tidy #6124502
cmake build docker linux linux-3.17

00:04:26

 
  Test
created test:fedora34-ninja #6124509
cmake docker linux linux-3.17 x11
created test:macos-x86_64-makefiles #6124511
cmake macos shell xcode-12.5 nonconcurrent
created test:macos-x86_64-ninja #6124510
cmake macos shell xcode-12.5 nonconcurrent
created test:windows-vs2019-x64-ninja #6124512
cmake windows shell vs2019 msvc-19.29-16.10 nonconcurrent
 
  Test Ext
created test:cuda10.2-nvidia #6124515
cmake cuda-rt docker linux
created test:debian10-ninja #6124513
cmake build docker linux linux-3.17
created test:fedora34-makefiles #6124514
cmake build docker linux linux-3.17
created test:fedora34-ninja-multi #6124516
cmake build docker linux linux-3.17
created test:macos-x86_64-xcode #6124517
cmake macos shell xcode-12.5 concurrent
created test:windows-vs2019-x64 #6124518
cmake windows shell vs2019 msvc-19.29-16.10 concurrent
 
  External
passed cdash

passed ghostflow-check-master

passed ghostflow-check-release

passed ghostflow-stager

passed cdash

passed cdash

passed cdash

passed cdash

passed ghostflow-check-master

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager