drm/amdgpu: fix compile warning for ras_block_match_default

fix compile warning for ras_block_match_default
Signed-off-by: Nyipechai <YiPeng.Chai@amd.com>
Reviewed-by: NTao Zhou <tao.zhou1@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

@@ -869,7 +869,8 @@ static int amdgpu_ras_enable_all_features(struct amdgpu_device *adev,
 }
 /* feature ctl end */
 
-int amdgpu_ras_block_match_default(struct amdgpu_ras_block_object* block_obj, enum amdgpu_ras_block block)
+static int amdgpu_ras_block_match_default(struct amdgpu_ras_block_object *block_obj,
+		enum amdgpu_ras_block block)
 {
 	if(!block_obj)
 		return -EINVAL;