audacious-plugins: fix cross

for some reason, this fails to configure on cross with this option enabled

probably caused by:
cbbd7743f7

srcpkgs/audacious-plugins/template

@@ -24,6 +24,11 @@ build_options="gtk3 qt"
 build_options_default="qt"
 vopt_conflict gtk3 qt
 
+if [ -n "$CROSS_BUILD" ]; then
+	# fails to configure: FileNotFoundError: [Errno 2] No such file or directory: '/usr/include/qt6'
+	configure_args+=" -Dhotkey=false"
+fi
+
 post_install() {
 	vlicense COPYING
 }