Update line colour for SVG curved text example

editions/tw5.com/tiddlers/howtos/Making curved text with SVG.tid

@@ -10,7 +10,7 @@ $$$.svg
 <defs>
 <path id="MyPath" d="M 100 200 C 200 100 300   0 400 100 C 500 200 600 300 700 200 C 800 100 900 100 900 100"/>
 </defs>
-<use xlink:href="#MyPath" fill="none" stroke="red"/>
+<use xlink:href="#MyPath" fill="none" stroke="#ddd"/>
 <text font-family="'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif" font-size="42.5">
 <textPath xlink:href="#MyPath">
 $text$