Handle warnings
diff --git a/collector/log/src/main/java/org/apache/karaf/decanter/collector/log/LogAppender.java b/collector/log/src/main/java/org/apache/karaf/decanter/collector/log/LogAppender.java
index 62d5692..c359d11 100644
--- a/collector/log/src/main/java/org/apache/karaf/decanter/collector/log/LogAppender.java
+++ b/collector/log/src/main/java/org/apache/karaf/decanter/collector/log/LogAppender.java
@@ -54,6 +54,7 @@
 
     private EventAdmin dispatcher;
 
+    @SuppressWarnings("unchecked")
     @Activate
     public void activate(ComponentContext context) {
         this.properties = context.getProperties();