Enable reporting of Lambda parameter renames

spring-projects/spring-boot@558d811
Rename Variable	zipEntry : null to jarEntry : null in method private extractLibraries(fileResolver FileResolver, jarStructure JarStructure, options Map<Option,String>) : void from class org.springframework.boot.jarmode.tools.ExtractCommand
Rename Variable	zipEntry : null to jarEntry : null in method private extractArchive(fileResolver FileResolver, entryNameTransformer EntryNameTransformer) : void from class org.springframework.boot.jarmode.tools.ExtractCommand
Rename Variable	zipEntry : null to jarEntry : null in method private createApplication(jarStructure JarStructure, fileResolver FileResolver, options Map<Option,String>) : void from class org.springframework.boot.jarmode.tools.ExtractCommand

src/main/java/gr/uom/java/xmi/decomposition/AbstractStatement.java

@@ -2,6 +2,8 @@
 
 import java.util.List;
 
+import gr.uom.java.xmi.VariableDeclarationContainer;
+
 public abstract class AbstractStatement extends AbstractCodeFragment {
 	private CompositeStatementObject parent;
 	protected String actualSignature;
@@ -30,6 +32,18 @@ public VariableDeclaration searchVariableDeclaration(String variableName) {
     	else if(parent != null) {
     		return parent.searchVariableDeclaration(variableName);
     	}
+    	else if(this instanceof CompositeStatementObject) {
+    		CompositeStatementObject comp = (CompositeStatementObject)this;
+    		if(comp.getOwner().isPresent()) {
+    			VariableDeclarationContainer container = comp.getOwner().get();
+    			if(container instanceof LambdaExpressionObject) {
+	    			VariableDeclaration declaration = container.getVariableDeclaration(variableName);
+	    			if(declaration != null) {
+	    				return declaration;
+	    			}
+    			}
+    		}
+    	}
     	return null;
     }