Check for active quotations before declaring it as lost (#8969)

diff --git a/erpnext/crm/doctype/opportunity/opportunity.py b/erpnext/crm/doctype/opportunity/opportunity.py
index 8c695ed..eebf464 100644
--- a/erpnext/crm/doctype/opportunity/opportunity.py
+++ b/erpnext/crm/doctype/opportunity/opportunity.py
@@ -75,7 +75,7 @@
 			self.lead = lead_name
 
 	def declare_enquiry_lost(self,arg):
-		if not self.has_lost_quotation():
+		if not self.has_active_quotation():
 			frappe.db.set(self, 'status', 'Lost')
 			frappe.db.set(self, 'order_lost_reason', arg)
 		else: