Fix missing member in reflection of tint::spirv::writer::Options

Bug: None
Change-Id: I84c5d8338af005a5c07a29c006427a579894dd42
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/172401
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>

src/tint/lang/spirv/writer/common/options.h

diff --git a/src/tint/lang/spirv/writer/common/options.h b/src/tint/lang/spirv/writer/common/options.h
index 79ec0e7..494369c 100644
--- a/src/tint/lang/spirv/writer/common/options.h
+++ b/src/tint/lang/spirv/writer/common/options.h
@@ -160,6 +160,7 @@
                  use_zero_initialize_workgroup_memory_extension,
                  emit_vertex_point_size,
                  clamp_frag_depth,
+                 pass_matrix_by_pointer,
                  experimental_require_subgroup_uniform_control_flow,
                  polyfill_dot_4x8_packed,
                  disable_polyfill_integer_div_mod,