Add some OpenSSL-compatibility aliases

Change-Id: I808f37c2980e36843b5b5d29174b4f27a030738a
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/44924
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/include/openssl/ec.h b/include/openssl/ec.h
index cfad93e..bd0c0f3 100644
--- a/include/openssl/ec.h
+++ b/include/openssl/ec.h
@@ -237,6 +237,14 @@
                                                        const BIGNUM *y,
                                                        BN_CTX *ctx);
 
+// EC_POINT_set_affine_coordinates is an alias of
+// |EC_POINT_set_affine_coordinates_GFp|.
+OPENSSL_EXPORT int EC_POINT_set_affine_coordinates(const EC_GROUP *group,
+                                                   EC_POINT *point,
+                                                   const BIGNUM *x,
+                                                   const BIGNUM *y,
+                                                   BN_CTX *ctx);
+
 // EC_POINT_point2oct serialises |point| into the X9.62 form given by |form|
 // into, at most, |len| bytes at |buf|. It returns the number of bytes written
 // or zero on error if |buf| is non-NULL, else the number of bytes needed. The