solarus,solarus-quest-editor: migrate to Qt5.15

pkgs/development/tools/solarus-quest-editor/default.nix

@@ -1,7 +1,7 @@
-{ lib, mkDerivation, fetchFromGitLab, cmake, luajit,
-  SDL2, SDL2_image, SDL2_ttf, physfs,
-  openal, libmodplug, libvorbis, solarus,
-  qtbase, qttools, glm }:
+{ lib, mkDerivation, fetchFromGitLab, cmake, luajit
+, SDL2, SDL2_image, SDL2_ttf, physfs, fetchpatch
+, openal, libmodplug, libvorbis, solarus
+, qtbase, qttools, glm }:
 
 mkDerivation rec {
   pname = "solarus-quest-editor";
@@ -13,7 +13,14 @@ mkDerivation rec {
     rev = "v${version}";
     sha256 = "1qbc2j9kalk7xqk9j27s7wnm5zawiyjs47xqkqphw683idmzmjzn";
   };
-  
+
+  patches = [
+    (fetchpatch {
+      url = "https://gitlab.com/solarus-games/solarus-quest-editor/-/commit/81d5c7f1602cf355684d70a5e3449fefccfc44b8.patch";
+      sha256 = "tVUxkkDp2PcOHGy4dGvUcYj9gF7k4LN21VuxohCw9NE=";
+    })
+  ];
+
   buildInputs = [ cmake luajit SDL2
     SDL2_image SDL2_ttf physfs
     openal libmodplug libvorbis
@@ -31,5 +38,5 @@ mkDerivation rec {
     maintainers = [ maintainers.Nate-Devv ];
     platforms = platforms.linux;
   };
-  
+
 }