keymaster: support building with tip-of-tree BoringSSL.

Change-Id: Ie9bcbcb33f7904fbffef9dee4f5b4203b1d8f888
(cherry picked from commit b17720bd6675de8d3925ea7fb2ea5c7a8f773ac4)
diff --git a/openssl_err.cpp b/openssl_err.cpp
index b9c6153..04ab6f6 100644
--- a/openssl_err.cpp
+++ b/openssl_err.cpp
@@ -114,11 +114,13 @@
 
 keymaster_error_t TranslateASN1Error(int reason) {
     switch (reason) {
+#if !defined(OPENSSL_IS_BORINGSSL)
     case ASN1_R_UNSUPPORTED_CIPHER:
         return KM_ERROR_UNSUPPORTED_ALGORITHM;
 
     case ASN1_R_ERROR_LOADING_SECTION:
         return KM_ERROR_INVALID_KEY_BLOB;
+#endif
 
     case ASN1_R_ENCODE_ERROR:
         return KM_ERROR_INVALID_ARGUMENT;