Fix typo "default" (#997)

Co-authored-by: Jeroen van Erp <jeroen@hierynomus.com>

Author: simon04

src/main/java/net/schmizz/sshj/common/SecurityUtils.java

@@ -286,8 +286,8 @@ private static void register() {
                 if (securityProvider == null && registerBouncyCastle == null) {
                     LOG.info("BouncyCastle not registered, using the default JCE provider");
                 } else if (securityProvider == null) {
-                    LOG.error("Failed to register BouncyCastle as the defaut JCE provider");
-                    throw new SSHRuntimeException("Failed to register BouncyCastle as the defaut JCE provider");
+                    LOG.error("Failed to register BouncyCastle as the default JCE provider");
+                    throw new SSHRuntimeException("Failed to register BouncyCastle as the default JCE provider");
                 }
             }
             registrationDone = true;