Fix int type conversion compilation errors with latest BoringSSL. am: a13ec5190e am: 10ed85d434

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/rust/crates/openssl/+/22956891

Change-Id: I1fbb697baad58e2738afe6de38265c30bed5b016
Signed-off-by: Automerger Merge Worker <[email protected]>