Add newline at end of tools/skdiff_html.h to happify the housekeeping bot
TBR=bungeman
Review URL: https://codereview.appspot.com/6893043

git-svn-id: http://skia.googlecode.com/svn/trunk@6684 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/skdiff_html.h b/tools/skdiff_html.h
index 5e87101..eefbebf 100644
--- a/tools/skdiff_html.h
+++ b/tools/skdiff_html.h
@@ -18,4 +18,4 @@
                      const SkString& comparisonDir,
                      const SkString& outputDir);
 
-#endif
\ No newline at end of file
+#endif