use ecj 4.3.1

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1583822 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index b666f27..a8be007 100644
--- a/pom.xml
+++ b/pom.xml
@@ -307,7 +307,7 @@
       <dependency>
         <groupId>org.eclipse.jdt.core.compiler</groupId>
         <artifactId>ecj</artifactId>
-        <version>4.2.2</version>
+        <version>4.3.1</version>
       </dependency>
 
       <dependency>