diff --git a/gm/color4f.cpp b/gm/color4f.cpp
index 7704dee..2585ad8 100644
--- a/gm/color4f.cpp
+++ b/gm/color4f.cpp
@@ -53,7 +53,7 @@
     const SkRect r = SkRect::MakeWH(50, 100);
     sk_sp<SkShader> (*shaders[])() { make_opaque_color, make_alpha_color };
     sk_sp<SkColorFilter> (*filters[])() { make_cf_null, make_cf0, make_cf1, make_cf2 };
-    
+
     SkPaint paint;
     for (auto shProc : shaders) {
         paint.setShader(shProc());