update podspec
update podspec

0x0c/LMMediaPlayer,zsk425/LMMediaPlayer,flypigrmvb/LMMediaPlayer,Niko-r/LMMediaPlayer,Roeun/LMMediaPlayer,ichu501/LMMediaPlayer,fly2012/LMMediaPlayer,sdgandhi/LMMediaPlayer,Michael-Z/LMMediaPlayer,Shumais/LMMediaPlayer,freeme/LMMediaPlayer,dlpigpen/LMMediaPlayer