nir/meson: fix c vs cpp args for nir test

Fixes: d1992255
       ("meson: Add build Intel "anv" vulkan driver")
Signed-off-by: Dylan Baker <dylan.c.baker@intel.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>

src/compiler/nir/meson.build

@@ -237,7 +237,7 @@ if with_tests
     executable(
       'nir_control_flow_test',
       files('tests/control_flow_tests.cpp'),
-      c_args : [c_vis_args, c_msvc_compat_args, no_override_init_args],
+      cpp_args : [cpp_vis_args, cpp_msvc_compat_args],
       include_directories : [inc_common],
       dependencies : [dep_thread, idep_gtest, idep_nir],
       link_with : libmesa_util,