upmpdcli: Update to 1.4.2

Fixed license information.

Added PKG_BUILD_PARALLEL for faster compilation.

Removed upstreamed patch.

Ran init script through shellcheck.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry picked from commit b2d016d352)

sound/upmpdcli/files/upmpdcli.init

@@ -16,7 +16,9 @@ append_arg() {
         local val
 
         config_get val "$cfg" "$var"
-        [ -n "$val" -o -n "$def" ] && procd_append_param command $opt "${val:-$def}"
+        if [ -n "$val" ] || [ -n "$def" ]; then
+		procd_append_param command "$opt" "${val:-$def}"
+	fi
 }
 
 start_instance() {