Fixes null pointer in ComponentDefinition

In case of nested classes and some other types of classes.
Reproducible with a nested class in an app, 
deployed on GF embedded using ScatteredArchive pointed to target/classes
Signed-off-by:Ondro Mihalyi <mihalyi@omnifish.ee>

appserver/common/annotation-framework/src/main/java/org/glassfish/apf/impl/ComponentDefinition.java

@@ -142,7 +142,11 @@ private boolean isExcludedFromAnnotationProcessing(Class<?> clazz) {
         if (clazz.getPackage().getName().startsWith("java.lang")) {
             return true;
         }
-        return EXCLUDED_FROM_ANNOTATION_PROCESSING.contains(clazz.getCanonicalName());
+        if (clazz.getCanonicalName() == null) {
+            return false;
+        } else {
+            return EXCLUDED_FROM_ANNOTATION_PROCESSING.contains(clazz.getCanonicalName());
+        }
     }