"fix" formatting of auto generated cpp from fp

TBR: egdaniel@google.com
Change-Id: I24da4ec120ccc46383f7e8041d78de7ed1e5312c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/260900
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/generated/GrMagnifierEffect.cpp b/src/gpu/effects/generated/GrMagnifierEffect.cpp
index c1fa4aa..6c6858e 100644
--- a/src/gpu/effects/generated/GrMagnifierEffect.cpp
+++ b/src/gpu/effects/generated/GrMagnifierEffect.cpp
@@ -178,7 +178,7 @@
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrMagnifierEffect);
 #if GR_TEST_UTILS
 std::unique_ptr<GrFragmentProcessor> GrMagnifierEffect::TestCreate(GrProcessorTestData* d) {
-    auto [proxy, ct, at] = d->randomProxy();
+    auto[proxy, ct, at] = d->randomProxy();
     const int kMaxWidth = 200;
     const int kMaxHeight = 200;
     const SkScalar kMaxInset = 20.0f;