Releasing a SQLite cursor.

Fix for bug 5080615 StrictMode violation AccountsChangedReceiver - Cursor not closed

Not releasing the cursor is a strict mode violation,
see http://strictdroid.prom.corp.google.com/v/16e91826934896b11d2763d0dce226adf9cf5866

Change-Id: I53eaa2d7e2b3328dd69869e6e9fc24babc68aa48
diff --git a/src/com/android/browser/AccountsChangedReceiver.java b/src/com/android/browser/AccountsChangedReceiver.java
index e5397a2..cad176f 100644
--- a/src/com/android/browser/AccountsChangedReceiver.java
+++ b/src/com/android/browser/AccountsChangedReceiver.java
@@ -63,6 +63,7 @@
                 }
             }
             cr.update(Accounts.CONTENT_URI, null, null, null);
+            c.close();
         }
 
         void delete(ContentResolver cr, String name, String type) {