waf: 2.1.5 -> 2.1.6

pkgs/by-name/wa/waf/package.nix

···
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "waf";
-  version = "2.1.5";
+  version = "2.1.6";
 
   src = fetchFromGitLab {
     owner = "ita1024";
     repo = "waf";
     rev = "waf-${finalAttrs.version}";
-    hash = "sha256-cZ8tt17m1KUGxYPJf+cHf9j8rzNCrGyY8rcZcSvebyY=";
+    hash = "sha256-srBBRe7OLNM86OVJYYk6A0EYJi+rdJ/xG7f+YBdrclE=";
   };
 
   nativeBuildInputs = [