Remove OPENSSL_NO_SHA512

Changes were made by running

find . -type f -name *.c | xargs unifdef -m -U OPENSSL_NO_SHA512
find . -type f -name *.h | xargs unifdef -m -U OPENSSL_NO_SHA512

Change-Id: I5c8a89384c865423aa7b549470068ef18161bce4
Reviewed-on: https://boringssl-review.googlesource.com/1379
Reviewed-by: Adam Langley <agl@google.com>

ssl/s3_cbc.c

diff --git a/ssl/s3_cbc.c b/ssl/s3_cbc.c
index f56f398..e80734e 100644
--- a/ssl/s3_cbc.c
+++ b/ssl/s3_cbc.c
@@ -367,7 +367,6 @@
 #undef  LARGEST_DIGEST_CTX
 #define LARGEST_DIGEST_CTX SHA256_CTX
 
-#ifndef OPENSSL_NO_SHA512
 static void tls1_sha512_final_raw(void* ctx, unsigned char *md_out)
 	{
 	SHA512_CTX *sha512 = ctx;
@@ -380,7 +379,6 @@
 	}
 #undef  LARGEST_DIGEST_CTX
 #define LARGEST_DIGEST_CTX SHA512_CTX
-#endif
 
 /* ssl3_cbc_record_digest_supported returns 1 iff |ctx| uses a hash function
  * which ssl3_cbc_digest_record supports. */
@@ -392,10 +390,8 @@
 		case NID_sha1:
 		case NID_sha224:
 		case NID_sha256:
-#ifndef OPENSSL_NO_SHA512
 		case NID_sha384:
 		case NID_sha512:
-#endif
 			return 1;
 		default:
 			return 0;
@@ -486,7 +482,6 @@
 			md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA256_Transform;
 			md_size = 32;
 			break;
-#ifndef OPENSSL_NO_SHA512
 		case NID_sha384:
 			SHA384_Init((SHA512_CTX*)md_state.c);
 			md_final_raw = tls1_sha512_final_raw;
@@ -503,7 +498,6 @@
 			md_block_size = 128;
 			md_length_size = 16;
 			break;
-#endif
 		default:
 			/* ssl3_cbc_record_digest_supported should have been
 			 * called first to check that the hash function is

ssl/t1_lib.c

diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index 1b7e3a7..7c52c7e 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -890,10 +890,8 @@
 		tlsext_sigalg_ecdsa(md)
 
 static unsigned char tls12_sigalgs[] = {
-#ifndef OPENSSL_NO_SHA512
 	tlsext_sigalg(TLSEXT_hash_sha512)
 	tlsext_sigalg(TLSEXT_hash_sha384)
-#endif
 	tlsext_sigalg(TLSEXT_hash_sha256)
 	tlsext_sigalg(TLSEXT_hash_sha224)
 #ifndef OPENSSL_NO_SHA
@@ -3025,13 +3023,11 @@
 
 		case TLSEXT_hash_sha256:
 		return EVP_sha256();
-#ifndef OPENSSL_NO_SHA512
 		case TLSEXT_hash_sha384:
 		return EVP_sha384();
 
 		case TLSEXT_hash_sha512:
 		return EVP_sha512();
-#endif
 		default:
 		return NULL;