Add generics to the field types in the API file.
automerge: 7751817

* commit '7751817561b5fea6ffaee8cad497ab6876deca0e':
  Add generics to the field types in the API file.
diff --git a/src/com/google/doclava/ClassInfo.java b/src/com/google/doclava/ClassInfo.java
index add8270..466c22b 100644
--- a/src/com/google/doclava/ClassInfo.java
+++ b/src/com/google/doclava/ClassInfo.java
@@ -1429,7 +1429,7 @@
   }
 
   public boolean hasShowAnnotation() {
-    return mShowAnnotations.size() > 0;
+    return mShowAnnotations != null && mShowAnnotations.size() > 0;
   }
 
   public ArrayList<AnnotationInstanceInfo> showAnnotations() {