Fix: view remise percent (negative or positive)

htdocs/compta/facture.php

@@ -2859,7 +2859,9 @@ else
 						}
 						else print ' ';
 						print '</td>';
-						if ($objp->remise_percent > 0)
+						
+						// Remise percent (negative or positive)
+						if (!empty($objp->remise_percent))
 						{
 							print '<td align="right">'.dol_print_reduction($objp->remise_percent,$langs)."</td>\n";
 						}