Fix imports

Author: KostasTsiounis

closed/src/java.base/share/classes/sun/security/ec/NativeECDHKeyAgreement.java

@@ -60,6 +60,7 @@
 import sun.security.util.ArrayUtil;
 import sun.security.util.CurveDB;
 import sun.security.util.ECUtil;
+import sun.security.util.KeyUtil;
 import sun.security.util.NamedCurve;
 
 /**

closed/src/java.base/share/classes/sun/security/ec/NativeXDHKeyAgreement.java

@@ -49,6 +49,7 @@
 
 import jdk.crypto.jniprovider.NativeCrypto;
 
+import sun.security.util.KeyUtil;
 import sun.security.x509.X509Key;
 
 public class NativeXDHKeyAgreement extends KeyAgreementSpi {