QmlJS: Fix uses of Scanner::state().

Change-Id: I5195fc43e8a6653bf52c0eaa6cddb8dfd25b6217
Reviewed-on: http://codereview.qt.nokia.com/319
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>

src/libs/qmljs/qmljsscanner.h

@@ -84,6 +84,8 @@ public:
         MultiLineComment = 1,
         MultiLineStringDQuote = 2,
         MultiLineStringSQuote = 3,
+        MultiLineMask = 3,
+
         RegexpMayFollow = 4 // flag that may be combined with the above
     };