Fix the type of x400Address in GENERAL_NAME am: ab351f4a83

Original change: https://android-review.googlesource.com/c/platform/external/boringssl/+/2480395

Change-Id: Ia5c16d01675c06a509ba8a3e4aef22235c42cf5c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>