Correct imports.

Author: mooreds

src/main/java/com/mycompany/fusionauth/plugins/guice/MyExampleFusionAuthPluginModule.java

@@ -22,6 +22,7 @@
 import com.mycompany.fusionauth.plugins.ExamplePBDKF2HMACSHA1PasswordEncryptor;
 import com.mycompany.fusionauth.plugins.ExampleRfc2898DeriveBytesPasswordEncryptor;
 import com.mycompany.fusionauth.plugins.ExampleSaltedSHA512PasswordEncryptor;
+import com.mycompany.fusionauth.plugins.ExamplePBDKF2HMACSHA256Keylength512PasswordHasher;
 import com.mycompany.fusionauth.plugins.MyExamplePasswordEncryptor;
 import io.fusionauth.plugin.spi.PluginModule;
 import io.fusionauth.plugin.spi.security.PasswordEncryptor;