anv: fix use of comma operator

This doesn't fix any bug at the moment because the next statement is
'true' which happens to be APIMODE_D3D, but if that changes it could.

The fixes tags is as far I could go but the error predates it (2016 is
probably far enough).

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 8db6f2e6ebb9 ("anv/pipeline: Roll genX_pipeline_util.h into genX_pipeline.c")
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index 5660711..9796ad2 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -1149,7 +1149,7 @@
       clip.ClipEnable               = true;
       clip.StatisticsEnable         = true;
       clip.EarlyCullEnable          = true;
-      clip.APIMode                  = APIMODE_D3D,
+      clip.APIMode                  = APIMODE_D3D;
       clip.GuardbandClipTestEnable  = true;
 
       /* Only enable the XY clip test when the final polygon rasterization