A few more kb_base fixups

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/parse.h b/parse.h
index 677b62b..5b1a53d 100644
--- a/parse.h
+++ b/parse.h
@@ -62,7 +62,7 @@
 
 extern void strip_blank_front(char **);
 extern void strip_blank_end(char *);
-extern int str_to_decimal(const char *, long long *, int);
+extern int str_to_decimal(const char *, long long *, int, void *);
 
 /*
  * Handlers for the options