fix wrong state transition in ScriptDataLessThanSign state

Before the following happened:

  % printf '<script><b>test</b></script>' | cargo run --example=switch-state
  StartTag(StartTag { self_closing: false, name: "script", attributes: {} })
  String("<b>test")
  EndTag(EndTag { name: "b" })
  EndTag(EndTag { name: "script" })

Which is obviously wrong. After a <script> tag we want to switch to the
ScriptData state (instead of the Data state).

This commit fixes this implementation error, making the above command
produce the expected output of:

  StartTag(StartTag { self_closing: false, name: "script", attributes: {} })
  String("<b>test</b>")
  EndTag(EndTag { name: "script" })

0 files changed, 0 insertions, 0 deletions