Style bikeshed - remove extraneous whitespace

src/gpu/gl/GrGLCaps.h

Index: src/gpu/gl/GrGLCaps.h
diff --git a/src/gpu/gl/GrGLCaps.h b/src/gpu/gl/GrGLCaps.h
index e9a29693de468b61deadfd00f26fa7ec02da4623..e2bc100cae8d6f02f188e43dfc93fd371a24a77c 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -428,7 +428,7 @@ private:
         /** The external format and type are to be used when uploading/downloading data using this
             config where both the CPU data and GrSurface are the same config. To get the external
             format and type when converting between configs while copying to/from memory use
-            getExternalFormat(). 
+            getExternalFormat().
             The kTexImage external format is usually the same as kOther except for kSRGBA on some
             GL contexts. */
         GrGLenum fExternalFormat[kExternalFormatUsageCnt];