Fix possible memory leak warning.

Static analyzer complains the memory pointed by list in bcurrent is not
deallocated before returning. But since this code is in "main" routine,
we don't care about the deallocation. Just ignore the warning.

Bug: b/27101951
Test: Verified warning is gone.
Change-Id: I58d784b61a5ad30d1406bd7c6b28c5713abf2b34