Polish formatting

Minor formatting polish across that codebase. Primarily fixing
whitespace issues.

spring-aop/src/test/java/org/springframework/aop/framework/PrototypeTargetTests.java

@@ -63,7 +63,6 @@ public final class PrototypeTargetTests {
 		assertEquals(10, interceptor.invocationCount);
 	}
 
-
 	public static interface TestBean {
 		public void doSomething();
 	}

spring-context/src/main/java/org/springframework/instrument/classloading/oc4j/OC4JLoadTimeWeaver.java

@@ -76,5 +76,4 @@ public class OC4JLoadTimeWeaver implements LoadTimeWeaver {
 	public ClassLoader getThrowawayClassLoader() {
 		return this.classLoader.getThrowawayClassLoader();
 	}
-
 }

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

@@ -36,6 +36,7 @@ public class CompoundExpression extends SpelNodeImpl {
 		}
 	}
 
+
 	@Override
 	protected ValueRef getValueRef(ExpressionState state) throws EvaluationException {
 		if (getChildCount()==1) {

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

@@ -149,5 +149,4 @@ public abstract class SpelNodeImpl implements SpelNode {
 	protected ValueRef getValueRef(ExpressionState state) throws EvaluationException {
 		throw new SpelEvaluationException(pos,SpelMessage.NOT_ASSIGNABLE,toStringAST());
 	}
-
 }

spring-web/src/main/java/org/springframework/http/converter/feed/RssChannelHttpMessageConverter.java

@@ -43,5 +43,4 @@ public class RssChannelHttpMessageConverter extends AbstractWireFeedHttpMessageC
 		return Channel.class.isAssignableFrom(clazz);
 	}
 
-
 }