tint: Fix TINT_PRINT_PROGRAM_FOR_EACH_TRANSFORM

The #if disabled code wasn't compiling as a variable was renamed

Change-Id: I2ce7210d18d52036dd99f729a44e21c6137f84a9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110520
Auto-Submit: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
diff --git a/src/tint/transform/manager.cc b/src/tint/transform/manager.cc
index 79603c8..d680cb6 100644
--- a/src/tint/transform/manager.cc
+++ b/src/tint/transform/manager.cc
@@ -36,7 +36,7 @@
                                       DataMap& outputs) const {
 #if TINT_PRINT_PROGRAM_FOR_EACH_TRANSFORM
     auto print_program = [&](const char* msg, const Transform* transform) {
-        auto wgsl = Program::printer(in);
+        auto wgsl = Program::printer(program);
         std::cout << "---------------------------------------------------------" << std::endl;
         std::cout << "-- " << msg << " " << transform->TypeInfo().name << ":" << std::endl;
         std::cout << "---------------------------------------------------------" << std::endl;