Fixed mail script command (#6294)

Fixes #5970
Broken since e5c22b3

Thanks to @roSBK

src/map/script.cpp

@@ -24829,8 +24829,6 @@ BUILDIN_FUNC(mail){
 
 			msg.item[i].refine = (char)get_val2_num( st, reference_uid( id, start ), reference_getref( data ) );
 
-			script_removetop(st, -1, 0);
-
 			if (!item->flag.no_refine && (item->type == IT_WEAPON || item->type == IT_ARMOR || item->type == IT_SHADOWGEAR)) {
 				if (msg.item[i].refine > MAX_REFINE)
 					msg.item[i].refine = MAX_REFINE;
@@ -24857,9 +24855,7 @@ BUILDIN_FUNC(mail){
 
 			msg.item[i].bound = (char)get_val2_num( st, reference_uid( id, start ), reference_getref( data ) );
 
-			script_removetop(st, -1, 0);
-
-			if( msg.item[i].bound <= BOUND_NONE || msg.item[i].bound >= BOUND_MAX ){
+			if( msg.item[i].bound < BOUND_NONE || msg.item[i].bound >= BOUND_MAX ){
 				ShowError( "buildin_mail: bound %d for item %u is invalid.\n", msg.item[i].bound, msg.item[i].nameid );
 				return SCRIPT_CMD_FAILURE;
 			}
@@ -24888,11 +24884,11 @@ BUILDIN_FUNC(mail){
 		}
 	
 		// Random Options
-		if( !script_hasdata(st,12 + MAX_SLOTS) ){
+		if( !script_hasdata(st,11 + MAX_SLOTS) ){
 			break;
 		}
 
-		for( i = 0, j = 12 + MAX_SLOTS; i < MAX_ITEM_RDM_OPT && script_hasdata(st,j) && script_hasdata(st,j + 1) && script_hasdata(st,j + 2); i++, j++ ){
+		for( i = 0, j = 11 + MAX_SLOTS; i < MAX_ITEM_RDM_OPT && script_hasdata(st,j) && script_hasdata(st,j + 1) && script_hasdata(st,j + 2); i++, j++ ){
 			// Option IDs
 			data = script_getdata(st, j);