* update brltty to 6.6-4

brltty/PKGBUILD

@@ -8,7 +8,7 @@
 pkgbase=brltty
 pkgname=(brltty brltty-udev-generic)
 pkgver=6.6
-pkgrel=2
+pkgrel=4
 pkgdesc="Braille display driver for Linux/Unix"
 arch=(x86_64 powerpc64le powerpc64 powerpc riscv64)
 url="https://brltty.app"
@@ -30,7 +30,6 @@ makedepends=(
   glib2
   gpm
   icu
-  java-environment
   libcap
   liblouis
   libspeechd
@@ -46,6 +45,11 @@ makedepends=(
   systemd-libs
   tcl
 )
+makedepends_powerpc=(java-environment)
+makedepends_powerpc64=(java-environment)
+makedepends_powerpc64le=(java-environment)
+makedepends_riscv64=('java-environment=11')
+makedepends_x86_64=(java-environment)
 options=(!emptydirs)
 source=(
   https://brltty.app/archive/$pkgname-$pkgver.tar.bz2