SSL_CTX_set1_sigalgs_list wants a NUL-terminated string, so we need to use GetString to give it one. Bug: oss-fuzz:9808 Change-Id: Id7f676aa514c36de9dea900763db3cbbf5c79a4c Reviewed-on: https://boringssl-review.googlesource.com/30804 Reviewed-by: Adam Langley <agl@google.com>kris/onging/CECPQ3_patch15