microsoft/clc: Don't build compiler test if build-tests is false

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/8161

Cc: mesa-stable

Reviewed-by: Eric Engestrom <eric@igalia.com>

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23890>

src/microsoft/clc/meson.build

@@ -34,7 +34,7 @@ libclc_compiler = shared_library(
   name_prefix : ''  # otherwise mingw will create libclon12compiler.dll
 )
 
-if dep_dxheaders.found() and host_machine.system() == 'windows'
+if dep_dxheaders.found() and host_machine.system() == 'windows' and with_tests
   clc_compiler_test = executable('clc_compiler_test',
     ['clc_compiler_test.cpp', 'compute_test.cpp'],
     link_with : [libclc_compiler],