Eliminate trailing whitespace in SpEL classes

Author: cbeams

spring-expression/src/main/java/org/springframework/expression/spel/ast/TypeReference.java

@@ -24,7 +24,7 @@
 
 /**
  * Represents a reference to a type, for example "T(String)" or "T(com.somewhere.Foo)"
- * 
+ *
  * @author Andy Clement
  */
 public class TypeReference extends SpelNodeImpl {
@@ -79,5 +79,5 @@ public String toStringAST() {
 		sb.append(")");
 		return sb.toString();
 	}
-	
+
 }