Fixed sizeof for memset
Fixed sizeof for memset

Closes #82

lulufei/AndroidFFmpeg,mondoktamas/AndroidFFmpeg,mobdim/AndroidFFmpeg,kyawkyaw/AndroidFFmpeg,shakin/AndroidFFmpeg,shine-chen/AndroidFFmpeg-with-RTMP,mobdim/AndroidFFmpeg,mrduongnv/AndroidFFmpeg,kyawkyaw/AndroidFFmpeg,guoyuqing/ffmpeg,shakin/AndroidFFmpeg,mondoktamas/AndroidFFmpeg,mrduongnv/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg,shakin/AndroidFFmpeg,mrduongnv/AndroidFFmpeg,guoyuqing/ffmpeg,mondoktamas/AndroidFFmpeg,boke/AndroidFFmpeg,q273255702/AndroidFFmpeg,appunite/AndroidFFmpeg,q273255702/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg,shine-chen/AndroidFFmpeg-with-RTMP,shine-chen/AndroidFFmpeg-with-RTMP,QDPeng/AndroidFFmpeg,kyawkyaw/AndroidFFmpeg,mobdim/AndroidFFmpeg,sitexa/AndroidFFmpeg,mobdim/AndroidFFmpeg,q273255702/AndroidFFmpeg,appunite/AndroidFFmpeg,lulufei/AndroidFFmpeg,appunite/AndroidFFmpeg,kyawkyaw/AndroidFFmpeg,sitexa/AndroidFFmpeg,q273255702/AndroidFFmpeg,lulufei/AndroidFFmpeg,boke/AndroidFFmpeg,mrduongnv/AndroidFFmpeg,mondoktamas/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg,guoyuqing/ffmpeg,QDPeng/AndroidFFmpeg,boke/AndroidFFmpeg,lulufei/AndroidFFmpeg,sitexa/AndroidFFmpeg,boke/AndroidFFmpeg,guoyuqing/ffmpeg,sitexa/AndroidFFmpeg,QDPeng/AndroidFFmpeg,shakin/AndroidFFmpeg,QDPeng/AndroidFFmpeg,ShawnKoo/AndroidFFmpeg,appunite/AndroidFFmpeg,shine-chen/AndroidFFmpeg-with-RTMP