Fix OPENSSL_PUT_ERROR typos.

Change-Id: Ie4c96643278a09774b324da4b286ceeadef8855b
Reviewed-on: https://boringssl-review.googlesource.com/1150
Reviewed-by: Adam Langley <agl@google.com>

crypto/ecdsa/ecdsa.c

@@ -135,7 +135,7 @@ int ECDSA_do_verify(const uint8_t *digest, size_t digest_len,
   const EC_POINT *pub_key;
 
   if (eckey->ecdsa_meth && eckey->ecdsa_meth->verify) {
-    OPENSSL_PUT_ERROR(ECDSA, ECDSA_sign_ex, ECDSA_R_NOT_IMPLEMENTED);
+    OPENSSL_PUT_ERROR(ECDSA, ECDSA_do_verify, ECDSA_R_NOT_IMPLEMENTED);
     return -1;
   }
 
@@ -366,7 +366,7 @@ ECDSA_SIG *ECDSA_do_sign_ex(const uint8_t *digest, size_t digest_len,
   const BIGNUM *priv_key;
 
   if (eckey->ecdsa_meth && eckey->ecdsa_meth->sign) {
-    OPENSSL_PUT_ERROR(ECDSA, ECDSA_sign_ex, ECDSA_R_NOT_IMPLEMENTED);
+    OPENSSL_PUT_ERROR(ECDSA, ECDSA_do_sign_ex, ECDSA_R_NOT_IMPLEMENTED);
     return NULL;
   }