very minor conversion warning fix

and ignore more build artifacts

GitOrigin-RevId: 06b22878041037258db145bbbc75a9d5fa19cc87
Change-Id: I0527bcbf1993ea9288868a827eea715cc4b66d50
1 file changed
tree: 07f887ac4eb4d0c4e059cf88c1e9ecdbd1872427
  1. lib/