From 458603713d20af423fc27231eb0e836df425ec7e Mon Sep 17 00:00:00 2001
From: Andy Stewart <boss@airbladesoftware.com>
Date: Mon, 31 Jul 2023 12:40:24 +0100
Subject: [PATCH] Cast variable getter to match setter

---
 autoload/gitgutter/utility.vim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/autoload/gitgutter/utility.vim b/autoload/gitgutter/utility.vim
index 657b1a2..f3bbd54 100644
--- a/autoload/gitgutter/utility.vim
+++ b/autoload/gitgutter/utility.vim
@@ -19,7 +19,8 @@ function! gitgutter#utility#setbufvar(buffer, varname, val)
 endfunction
 
 function! gitgutter#utility#getbufvar(buffer, varname, ...)
-  let ggvars = getbufvar(a:buffer, 'gitgutter')
+  let buffer = +a:buffer
+  let ggvars = getbufvar(buffer, 'gitgutter')
   if type(ggvars) == type({}) && has_key(ggvars, a:varname)
     return ggvars[a:varname]
   endif