jamulus: clarify gpl2Plus; update github owner (#117558)

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>

pkgs/applications/audio/jamulus/default.nix

@@ -1,11 +1,11 @@
-{ mkDerivation, lib, fetchFromGitHub, fetchpatch, pkg-config, qtscript, qmake, libjack2
+{ mkDerivation, lib, fetchFromGitHub, pkg-config, qtscript, qmake, libjack2
 }:
 
 mkDerivation rec {
   pname = "jamulus";
   version = "3.7.0";
   src = fetchFromGitHub {
-    owner = "corrados";
+    owner = "jamulussoftware";
     repo = "jamulus";
     rev = "r${lib.replaceStrings [ "." ] [ "_" ] version}";
     sha256 = "sha256-8zCPT0jo4ExgmZWxGinumv3JauH4csM9DtuHmOiJQAM=";
@@ -20,7 +20,7 @@ mkDerivation rec {
     description = "Enables musicians to perform real-time jam sessions over the internet";
     longDescription = "You also need to enable JACK and should enable several real-time optimizations. See project website for details";
     homepage = "https://github.com/corrados/jamulus/wiki";
-    license = lib.licenses.gpl2; # linked in git repo, at least
+    license = lib.licenses.gpl2Plus;
     platforms = lib.platforms.linux;
     maintainers = [ lib.maintainers.seb314 ];
   };