8343848: Fix typo of property name in TestOAEPPadding after 8341927

Reviewed-by: lucy, mullan

Author: GoeLin

test/jdk/com/sun/crypto/provider/Cipher/RSA/TestOAEPPadding.java

@@ -57,7 +57,7 @@ public static void main(String args[]) throws Exception {
                         System.getProperty("test.provider.name", "SunJCE"));
         System.out.println("Testing provider " + cp.getName() + "...");
         Provider kfp = Security.getProvider(
-                        System.getProperty("test.providername", "SunRsaSign"));
+                        System.getProperty("test.provider.name", "SunRsaSign"));
         String kpgAlgorithm = "RSA";
         KeyPairGenerator kpg = KeyPairGenerator.getInstance(kpgAlgorithm, kfp);
         kpg.initialize(SecurityUtils.getTestKeySize(kpgAlgorithm));