hls: fix canPlay to test only the file extension (refs #464)
hls: fix canPlay to test only the file extension (refs #464)

Peer5/clappr,leandromoreira/clappr,flavioribeiro/clappr,Metrakit/clappr,wxmfront/clappr,dayvson/clappr,Pyrotoxin/clappr,irongomme/clappr,dayvson/clappr,MariadeAnton/clappr,irongomme/clappr,jfairley/clappr,wxmfront/clappr,clappr/clappr,Metrakit/clappr,kelonye/clappr,burakkp/clappr,leandromoreira/clappr,wxmfront/clappr,clappr/clappr,shakin/clappr,Peer5/clappr,Pyrotoxin/clappr,dayvson/clappr,Metrakit/clappr,MariadeAnton/clappr,jfairley/clappr,jfairley/clappr,clappr/clappr,flavioribeiro/clappr,burakkp/clappr,shakin/clappr,kelonye/clappr,irongomme/clappr,shakin/clappr,flavioribeiro/clappr,Peer5/clappr,leandromoreira/clappr,burakkp/clappr,Pyrotoxin/clappr,MariadeAnton/clappr,kelonye/clappr