Style bikeshed - remove extraneous whitespace

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002

Review URL: https://codereview.chromium.org/1842753002
diff --git a/tools/lua/lua_pictures.cpp b/tools/lua/lua_pictures.cpp
index 0edea25..9776002 100644
--- a/tools/lua/lua_pictures.cpp
+++ b/tools/lua/lua_pictures.cpp
@@ -145,7 +145,7 @@
             auto pic(load_picture(path));
             if (pic.get()) {
                 SkAutoTUnref<SkLuaCanvas> canvas(
-                                    new SkLuaCanvas(SkScalarCeilToInt(pic->cullRect().width()), 
+                                    new SkLuaCanvas(SkScalarCeilToInt(pic->cullRect().width()),
                                                     SkScalarCeilToInt(pic->cullRect().height()),
                                                     L.get(), gAccumulateFunc));