Fix #453 - ReDoS vulnerability in MachSpeed tablets detection as reported by @migueldemoura

Author: faisalman

src/ua-parser.js

@@ -650,7 +650,7 @@
             /android.+[;\/]\s*(Le[\s\-]+Pan)[\s\-]+(\w{1,9})\s+build/i          // Le Pan Tablets
             ], [VENDOR, MODEL, [TYPE, TABLET]], [
 
-            /android.+[;\/]\s*(Trio[\s\-]*.*)\s+build/i                         // MachSpeed Tablets
+            /android.+[;\/]\s*(Trio[\s\w\-\.]+)\s+build/i                       // MachSpeed Tablets
             ], [MODEL, [VENDOR, 'MachSpeed'], [TYPE, TABLET]], [
 
             /android.+[;\/]\s*(Trinity)[\-\s]*(T\d{3})\s+build/i                // Trinity Tablets