furnace: update to 0.6.4

Closes: #50890 [via git-merge-pr]

srcpkgs/furnace/patches/locale-install-location.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index b0143e6..198b52a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1246,7 +1246,7 @@ if (NOT ANDROID OR TERMUX)
+     install(DIRECTORY papers DESTINATION ${CMAKE_INSTALL_DOCDIR}/other)
+     install(FILES LICENSE DESTINATION ${CMAKE_INSTALL_DATADIR}/licenses/furnace)
+     list(APPEND DEPENDENCIES_DEFINES LOCALE_DIR="${CMAKE_INSTALL_LOCALEDIR}")
+-    install(DIRECTORY po/locale DESTINATION ${CMAKE_INSTALL_LOCALEDIR})
++    install(DIRECTORY po/locale/ DESTINATION ${CMAKE_INSTALL_LOCALEDIR})
+     if (WITH_DEMOS OR WITH_INSTRUMENTS OR WITH_WAVETABLES)
+       set(FURNACE_DATADIR ${CMAKE_INSTALL_FULL_DATADIR}/furnace)
+       if (WITH_DEMOS)

srcpkgs/furnace/template

@@ -1,6 +1,6 @@
 # Template file for 'furnace'
 pkgname=furnace
-version=0.6.3
+version=0.6.4
 revision=1
 _adpcm_commit="ef7a217154badc3b99978ac481b268c8aab67bd8"
 build_style=cmake
@@ -14,7 +14,7 @@ license="GPL-2.0-or-later"
 homepage="https://github.com/tildearrow/furnace"
 distfiles="https://github.com/tildearrow/furnace/archive/refs/tags/v${version}.tar.gz
  https://github.com/superctr/adpcm/archive/${_adpcm_commit}.tar.gz"
-checksum="bc28647c2175fc4e0c831d2d3f814c37828bb525af42897e5337f0e6c4168ffb
+checksum="76f4a890196f31b030bd445dcaaa5de81d4ea2fc34538a23323985ff6b3e6c32
  46da29342d2968ff222ba00e07c646e038b76af2e6c86de037c653059a056251"
 
 skip_extraction="