Web & utils.web: Force HTMLParser to process all buffered data.

Python issue 23144.

plugins/Web/plugin.py

@@ -155,6 +155,7 @@ class Web(callbacks.PluginRegexp):
             else:
                 return None
         parser.feed(text)
+        parser.close()
         title = parser.title
         if title:
             title = utils.web.htmlToText(parser.title.strip())

src/utils/web.py

@@ -254,6 +254,7 @@ def htmlToText(s, tagReplace=' '):
             pass
     x = HtmlToText(tagReplace)
     x.feed(s)
+    x.close()
     return x.getText()
 
 def mungeEmail(s):