libtuxtxt: Transfer from neutrino-mp for better compatibility

Origin commit data
------------------
Commit: 5612baaff7
Author: Michael Liebmann <tuxcode.bbg@gmail.com>
Date: 2017-02-15 (Wed, 15 Feb 2017)

lib/libtuxtxt/libtuxtxt.cpp

@@ -37,6 +37,8 @@ int tuxtxt_init()
 	tuxtxt_cache.vtxtpid = -1;
 	tuxtxt_cache.thread_id = 0;
 	tuxtxt_cache.dmx = -1;
+	/* not sure if this is correct here... */
+	tuxtxt_cache.page = 0x100;
 	return 1;//tuxtxt_init_demuxer();
 }