fix "warning LNK4042: 对象被多次指定；已忽略多余的指定" 在vc平台.

Signed-off-by: jack <jack.wgm@gmail.com>
Merge branch 'master' of github.com:avplayer/avrouter
add database.cpp

Signed-off-by: jack <jack.wgm@gmail.com>