lz4 conflicting declaration

[Sooraj Anilkumar]

In case anyone gets the following error during compilation,

/usr/include/flann/ext/lz4.h:196:57: error: conflicting declaration ‘typedef struct LZ4_stream_t LZ4_stream_t’
 typedef struct { long long table[LZ4_STREAMSIZE_U64]; } LZ4_stream_t;

checkout the following issue for possible workaround.
ethz-asl/lidar_align#16 (comment)

If anyone has a better resolution please do let me know.

Cheers
Sooraj