Tidying.

core/src/main/java/org/springframework/security/authentication/ProviderNotFoundException.java

@@ -29,7 +29,7 @@ import org.springframework.security.core.AuthenticationException;
 public class ProviderNotFoundException extends AuthenticationException {
     //~ Constructors ===================================================================================================
 
-/**
+    /**
      * Constructs a <code>ProviderNotFoundException</code> with the specified
      * message.
      *
@@ -39,7 +39,7 @@ public class ProviderNotFoundException extends AuthenticationException {
         super(msg);
     }
 
-/**
+    /**
      * Constructs a <code>ProviderNotFoundException</code> with the specified
      * message and root cause.
      *