Add missing const qualifier

ocaml · Sep 18, 2019 · aef174c · aef174c
1 parent 68d0ea2
commit aef174c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/unix/open.c b/src/unix/open.c
@@ -365,7 +365,7 @@ value caml_gr_sigio_handler(void)
 
 /* Processing of graphic errors */
 
-static value * graphic_failure_exn = NULL;
+static const value * graphic_failure_exn = NULL;
 
 void caml_gr_fail(const char *fmt, const char *arg)
 {