vorbisgain: Add patch to fix implicit declaration of isatty()

Fixes #370032

pkgs/by-name/vo/vorbisgain/isatty.patch

@@ -0,0 +1,10 @@
+--- vorbisgain-0.37/misc.c	2004-01-03 16:17:28.000000000 -0500
++++ vorbisgain-0.37-patched/misc.c	2025-01-07 20:35:13.056221211 -0500
+@@ -23,6 +23,7 @@
+ #else /* WIN32 */
+ #include <errno.h>
+ #include <ctype.h>
++#include <unistd.h>
+ 
+ #ifndef DISABLE_WINSIZE
+ 

pkgs/by-name/vo/vorbisgain/package.nix

@@ -15,6 +15,10 @@ stdenv.mkDerivation rec {
     sha256 = "1v1h6mhnckmvvn7345hzi9abn5z282g4lyyl4nnbqwnrr98v0vfx";
   };
 
+  patches = [
+    ./isatty.patch
+  ];
+
   hardeningDisable = [ "format" ];
 
   buildInputs = [