Bug 733965 - Cursor not closed in ClientsDatabaseAccessor. r=rnewman

mobile/android/base/sync/repositories/android/ClientsDatabaseAccessor.java

@@ -88,11 +88,17 @@ public class ClientsDatabaseAccessor {
   }
 
   public int clientsCount() {
+    Cursor cur;
     try {
-      return db.fetchAll().getCount();
+      cur = db.fetchAll();
     } catch (NullCursorException e) {
       return 0;
     }
+    try {
+      return cur.getCount();
+    } finally {
+      cur.close();
+    }
   }
 
   private String getProfileId() {