ZP-795 hhvm fix: use break instead of continue in switch.

Released under the Affero GNU General Public License (AGPL) version 3.

in a switch this is equivalent, but hhvm complains about it
http://php.net/manual/en/control-structures.switch.php

In PHP, 'continue;' inside a switch statement is equivalent to 'break;'.
Hack does not support this; use 'break' if that is what you meant. (NastCheck[3006])

src/lib/wbxml/wbxmldecoder.php

@@ -384,7 +384,7 @@ class WBXMLDecoder extends WBXMLDefs {
             switch($byte) {
                 case WBXML_SWITCH_PAGE:
                     $this->tagcp = $this->getByte();
-                    continue;
+                    break;
 
                 case WBXML_END:
                     $element[EN_TYPE] = EN_TYPE_ENDTAG;