Update twitter_status_v1.xml

eBook/examples/chapter_15/twitter_status_v1.xml

@@ -1 +1,3 @@
-<user name="Golang" status="Robot cars invade California, on orders from Google: Google has been testing self-driving cars ..."/>
+<user name="Golang" >
+  <Status Text="Robot cars invade California, on orders from Google: Google has been testing self-driving cars ..." />
+</user>