Merge pull request #123503 from stephank/fix-samblaster-darwin

samblaster: fix darwin build

pkgs/applications/science/biology/samblaster/default.nix

···
     sha256 = "0g24fq5hplnfgqkh3xqpg3lgx3wmxwnh9c7m6yw7pbi40lmgl1jv";
   };
 
+  makeFlags = [ "CPP=${stdenv.cc.targetPrefix}c++" ];
+
   installPhase = ''
     mkdir -p $out/bin
     cp samblaster $out/bin