From 3a070ff124f5c4542649b6ffe4344acbc2d7f6c9 Mon Sep 17 00:00:00 2001
From: Michael Fairley <michaelfairley@gmail.com>
Date: Sun, 3 Jun 2018 10:28:54 -0500
Subject: [PATCH] Remove use of rust feature newer than oldest supported
 version

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 7026b39..078dd26 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -597,7 +597,7 @@ impl<'ui> Ui<'ui> {
                 }
                 ImId::Str(s) => {
                     let start = s.as_ptr() as *const c_char;
-                    let end = start.add(s.len()) as *const c_char;
+                    let end = start.offset(s.len() as isize);
                     sys::igPushIDStrRange(start, end);
                 }
                 ImId::Ptr(p) => {