Don't mismatch Init and Update/Final hash functions.

Fixes the ASan bot.

Change-Id: I29b9b98680b634c5e486a734afa38f9d4e458518
Reviewed-on: https://boringssl-review.googlesource.com/7792
Reviewed-by: Adam Langley <agl@google.com>

crypto/sha/sha256.c

@@ -102,8 +102,8 @@ uint8_t *SHA224(const uint8_t *data, size_t len, uint8_t *out) {
     out = buf;
   }
   SHA224_Init(&ctx);
-  SHA256_Update(&ctx, data, len);
-  SHA256_Final(out, &ctx);
+  SHA224_Update(&ctx, data, len);
+  SHA224_Final(out, &ctx);
   OPENSSL_cleanse(&ctx, sizeof(ctx));
   return out;
 }

crypto/sha/sha512.c

@@ -127,8 +127,8 @@ uint8_t *SHA384(const uint8_t *data, size_t len, uint8_t *out) {
   }
 
   SHA384_Init(&ctx);
-  SHA512_Update(&ctx, data, len);
-  SHA512_Final(out, &ctx);
+  SHA384_Update(&ctx, data, len);
+  SHA384_Final(out, &ctx);
   OPENSSL_cleanse(&ctx, sizeof(ctx));
   return out;
 }