coverity#1190346 silence Unchecked return value

Change-Id: If6223276d2d45431a674047b9540d4ac3eb71395
coverity#1190360 Unintended sign extension

Change-Id: I1fa3a668d47190af3197801a4d99e135d50e2088
coverity#1130369 Dereference after null check

Change-Id: Id931c038f3715ea69a798de4b14b46dfa9d2afda
coverity#708378 Uninitialized scalar field

Change-Id: Id0e463abec7434ee1609071651dce16c9357f205
coverity#708376 Uninitialized scalar field

Change-Id: Ia7c44a27679ee4f4deb6a99ac0f44d31c1f642a7
coverity#708374 unused mbPolygonIsLine member

Change-Id: I1c171cf237927b7a118a947ea914407c06d4a863
coverity#708370 Uninitialized scalar field

Change-Id: I9496ce4f5b5233e700aac0a46794e391929d7fbc
coverity#707877 Uninitialized scalar field

Change-Id: I9454da6940f4d63f916e655b237d78fc701025e9
coverity#707878 Uninitialized scalar field

Change-Id: I80289d98a5ce58a539516d08d1fc37258ca97e52
coverity#707879 Uninitialized scalar field

Change-Id: I618fa64876dc27a3d3ced9281f1b02b97a983166
coverity#707884 Uninitialized scalar field

Change-Id: I21810eac9579b536017b8187497d04dbbc0109c6