fix: Rounding adjustment in Rounded Total

In Purchase Receipt and GST Purchase Receipt report, the Rounded Total column doesn't display rounding adjustment of Base Grand Total. So, we have created a fix for that rounding adjustment.
diff --git a/erpnext/accounts/report/purchase_register/purchase_register.py b/erpnext/accounts/report/purchase_register/purchase_register.py
index e33b90d..3f8abb7 100644
--- a/erpnext/accounts/report/purchase_register/purchase_register.py
+++ b/erpnext/accounts/report/purchase_register/purchase_register.py
@@ -66,8 +66,8 @@
 				total_tax += tax_amount
 				row.append(tax_amount)
 
-		# total tax, grand total, outstanding amount & rounded total
-		row += [total_tax, inv.base_grand_total, flt(inv.base_grand_total, 2), inv.outstanding_amount]
+		# total tax, grand total, rounded total & outstanding amount 
+		row += [total_tax, inv.base_grand_total, flt(inv.base_grand_total, 0), inv.outstanding_amount]
 		data.append(row)
 
 	return columns, data