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/src/utils/SkDumpCanvas.cpp b/src/utils/SkDumpCanvas.cpp
index 75fa836..9530f86 100644
--- a/src/utils/SkDumpCanvas.cpp
+++ b/src/utils/SkDumpCanvas.cpp
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2011 Google Inc.
  *
@@ -393,7 +392,7 @@
         toString(*src, &ss);
         rs.prependf("%s ", ss.c_str());
     }
-    
+
     this->dump(kDrawBitmap_Verb, paint, "drawImageRectToRect(%s %s)",
                bs.c_str(), rs.c_str());
 }