Fix for NPE in ContactsListActivity

Bug: 2481454
Change-Id: Ie5c20245bf7c0a15068d340758636000922ce697
diff --git a/src/com/android/contacts/ContactsListActivity.java b/src/com/android/contacts/ContactsListActivity.java
index 443289f..079b890 100644
--- a/src/com/android/contacts/ContactsListActivity.java
+++ b/src/com/android/contacts/ContactsListActivity.java
@@ -2523,7 +2523,9 @@
                     activity.mListState = null;
                 }
             } else {
-                cursor.close();
+                if (cursor != null) {
+                    cursor.close();
+                }
             }
         }
     }