libfec: add large file which larger than 4G operation support

Add _LARGEFILE64_SOURCE to handle large files such as larger than 4G,
fix fec_open cannot open file larger than 4G

Bug: https://code.google.com/p/android/issues/detail?id=231508
Test: tested on Android N devices

Change-Id: I8df81a039cb987f6bde36384bf69e8ab119fd515
Signed-off-by: wangjiangshao <wangjiangshao@xiaomi.com>
1 file changed