lsp-plugins: Fix build

	/build/source/include/metadata/modules.h:122:1: note: in expansion of macro 'MOD_PLUGIN'
	  122 | MOD_PLUGIN(slap_delay_mono, plugin_ui)
	      | ^~~~~~~~~~
	lv2.cpp:414:43: error: invalid conversion from 'void* (*)(const lsp::_LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function, LV2UI_Controller, void**, const LV2_Feature* const*)' {aka 'void* (*)(const lsp::_LV2UI_Descriptor*, const char*, const char*, void (*)(void*, unsigned int, unsigned int, unsigned int, const void*), void*, void**, const LV2_Feature* const*)'} to 'void* (*)(const LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function, LV2UI_Controller, void**, const LV2_Feature* const*)' {aka 'void* (*)(const LV2UI_Descriptor*, const char*, const char*, void (*)(void*, unsigned int, unsigned int, unsigned int, const void*), void*, void**, const LV2_Feature* const*)'} [-fpermissive]
	  414 |                 d->instantiate          = lv2ui_instantiate;    \
	      |                                           ^~~~~~~~~~~~~~~~~
	      |                                           |
	      |                                           void* (*)(const lsp::_LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function, LV2UI_Controller, void**, const LV2_Feature* const*) {aka void* (*)(const lsp::_LV2UI_Descriptor*, const char*, const char*, void (*)(void*, unsigned int, unsigned int, unsigned int, const void*), void*, void**, const LV2_Feature* const*)}

pkgs/applications/audio/lsp-plugins/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, pkgconfig, makeWrapper
+{ stdenv, fetchFromGitHub, fetchpatch, pkgconfig, makeWrapper
 , libsndfile, jack2Full
 , libGLU, libGL, lv2, cairo
 , ladspaH, php }:
@@ -14,6 +14,16 @@ stdenv.mkDerivation rec {
     sha256 = "1wiph3vxhydc6mr9hn2c6crd4cx592l2zv0wrzgmpnlm1lflzpbg";
   };
 
+  patches = [
+    # Fix build
+    # https://github.com/sadko4u/lsp-plugins/issues/104
+    (fetchpatch {
+      url = "https://github.com/sadko4u/lsp-plugins/commit/4d901135fb82fa95e668b4d55d05e405f5e620d2.patch";
+      excludes = [ "TODO.txt" ];
+      sha256 = "wR2B6XnDXT2BGwmrsL72PH/BM1e9d9JvqHxDtfFDAug=";
+    })
+  ];
+
   nativeBuildInputs = [ pkgconfig php makeWrapper ];
   buildInputs = [ jack2Full libsndfile libGLU libGL lv2 cairo ladspaH ];