typo: dtabase -> database (#2193)

Author: nschonni

xml/System.Data.Linq/ObjectChangeConflict.xml

@@ -212,7 +212,7 @@
  [!code-csharp[System.Data.Linq.RefreshMode#1](~/samples/snippets/csharp/VS_Snippets_Data/system.data.linq.refreshmode/cs/program.cs#1)]
  [!code-vb[System.Data.Linq.RefreshMode#1](~/samples/snippets/visualbasic/VS_Snippets_Data/system.data.linq.refreshmode/vb/module1.vb#1)]  
   
- The following example shows how to swap the original value with the values retrieved from the dtabase. No current value is modified.  
+ The following example shows how to swap the original value with the values retrieved from the database. No current value is modified.  
   
  [!code-csharp[System.Data.Linq.RefreshMode#2](~/samples/snippets/csharp/VS_Snippets_Data/system.data.linq.refreshmode/cs/program.cs#2)]
  [!code-vb[System.Data.Linq.RefreshMode#2](~/samples/snippets/visualbasic/VS_Snippets_Data/system.data.linq.refreshmode/vb/module1.vb#2)]