[generic] Support gorillavid.in

Previously, we were a little bit over-eager and got a random swf file.
Fixes #2084.

youtube_dl/extractor/generic.py

@@ -305,6 +305,9 @@ class GenericIE(InfoExtractor):
 
         # Start with something easy: JW Player in SWFObject
         mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
+        if mobj is None:
+            # Look for gorilla-vid style embedding
+            mobj = re.search(r'(?s)jw_plugins.*?file:\s*["\'](.*?)["\']', webpage)
         if mobj is None:
             # Broaden the search a little bit
             mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)