uom field added in pur invoice item table
diff --git a/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.txt b/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.txt
index 754641c..30493b3 100755
--- a/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.txt
+++ b/erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.txt
@@ -5,7 +5,7 @@
 	{
 		'creation': '2012-04-13 11:56:17',
 		'docstatus': 0,
-		'modified': '2012-06-04 12:02:20',
+		'modified': '2012-06-04 12:10:22',
 		'modified_by': u'Administrator',
 		'owner': u'Administrator'
 	},
@@ -236,7 +236,7 @@
 		'fieldtype': u'Link',
 		'label': u'UOM',
 		'options': u'UOM',
-		'permlevel': 1,
+		'permlevel': 0,
 		'print_hide': 1
 	},