gentoo-overlay/dev-ml/ocamlsdl/files/ocamlsdl-0.9.1-fix-ocaml-4.09.0-compilation.patch

https://sources.debian.org/patches/ocamlsdl/0.9.1-3/0002-Fix-compilation-with-OCaml-4.08.0.patch/
From: Stephane Glondu <steph@glondu.net>
Date: Fri, 6 Sep 2019 09:35:32 +0200
Subject: Fix compilation with OCaml 4.08.0

---
 src/sdlmouse.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sdlmouse.ml b/src/sdlmouse.ml
index 5d3120b..39cc58d 100644
--- a/src/sdlmouse.ml
+++ b/src/sdlmouse.ml
@@ -49,12 +49,12 @@ external cursor_data : cursor -> cursor_data
     = "ml_SDL_Cursor_data"
 
 let string_of_bits x =
-  let s = String.make 8 ' ' in
+  let s = Bytes.make 8 ' ' in
   for i=0 to 7 do
     if x land (1 lsl i) <> 0
     then s.[7-i] <- '@'
   done ;
-  s
+  Bytes.to_string s
 
 let pprint_cursor c =
   let { data = data ; mask = mask } = cursor_data c in