Style bikeshed - remove extraneous whitespace

gm/showmiplevels.cpp

Index: gm/showmiplevels.cpp
diff --git a/gm/showmiplevels.cpp b/gm/showmiplevels.cpp
index fd1254f9bc5403e14c0b7749591921217edf90e0..717d629adecd4b83234fef355acec195d3dc3d34 100644
--- a/gm/showmiplevels.cpp
+++ b/gm/showmiplevels.cpp
@@ -204,7 +204,7 @@ protected:
             canvas->translate(0, bm.height() * 0.85f);
         }
     }
-    
+
 private:
     typedef skiagm::GM INHERITED;
 };
@@ -300,7 +300,7 @@ protected:
             canvas->translate(0, SkScalarRoundToScalar(bm.height() * 0.85f));
         }
     }
-    
+
 private:
     typedef skiagm::GM INHERITED;
 };