[tnaflix] Fix title extraction

youtube_dl/extractor/tnaflix.py

@@ -12,7 +12,7 @@ from ..utils import (
 class TNAFlixIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?tnaflix\.com/(?P<cat_id>[\w-]+)/(?P<display_id>[\w-]+)/video(?P<id>\d+)'
 
-    _TITLE_REGEX = None
+    _TITLE_REGEX = r'<title>(.+?) - TNAFlix Porn Videos</title>'
     _DESCRIPTION_REGEX = r'<h3 itemprop="description">([^<]+)</h3>'
     _CONFIG_REGEX = r'flashvars\.config\s*=\s*escape\("([^"]+)"'