Fix compile error with perl 5.20.2 OpenbSD / Debian 8(Jessie)
Fix compile error with perl 5.20.2 OpenbSD / Debian 8(Jessie)

karjonas/get-flash-videos,njtaylor/get-flash-videos,vladrich/get-flash-videos,pcwalden/get-flash-videos,monsieurvideo/get-flash-videos,momo-i/get-flash-videos,monsieurvideo/get-flash-videos,monsieurvideo/get-flash-videos,vladrich/get-flash-videos,momo-i/get-flash-videos,vladrich/get-flash-videos,karjonas/get-flash-videos,njtaylor/get-flash-videos,njtaylor/get-flash-videos,karjonas/get-flash-videos,momo-i/get-flash-videos,pcwalden/get-flash-videos,pcwalden/get-flash-videos