FELIX-3469 Guard against undefined array element

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1327875 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/webconsole/src/main/resources/res/lib/support.js b/webconsole/src/main/resources/res/lib/support.js
index 57f94f7..76857a5 100644
--- a/webconsole/src/main/resources/res/lib/support.js
+++ b/webconsole/src/main/resources/res/lib/support.js
@@ -264,7 +264,9 @@
 
 	if (children && children.length) {
 		for (var i=0; i < children.length; i++) {
-			element.appendChild( children[i] );
+		    if (children[i]) {
+		        element.appendChild( children[i] );
+		    }
 		}
 	}