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/skiaserve/urlhandlers/PostHandler.cpp b/tools/skiaserve/urlhandlers/PostHandler.cpp
index ce59920..34beefa 100644
--- a/tools/skiaserve/urlhandlers/PostHandler.cpp
+++ b/tools/skiaserve/urlhandlers/PostHandler.cpp
@@ -66,11 +66,10 @@
         fprintf(stderr, "Could not create picture from stream.\n");
         return MHD_NO;
     }
-    
+
     // clear upload context
     delete request->fUploadContext;
     request->fUploadContext = nullptr;
 
     return SendTemplate(connection, true, "/");
 }
-