Add $4 to the uploaders field.

debian/control

@@ -1,7 +1,8 @@
 Source: libsysstat
 Maintainer: LXQt Packaging Team <pkg-lxqt-devel@lists.alioth.debian.org>
 Uploaders: Alf Gaida <agaida@siduction.org>,
-           ChangZhuo Chen (陳昌倬) <czchen@debian.org>
+           ChangZhuo Chen (陳昌倬) <czchen@debian.org>,
+           Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
 Section: libs
 Priority: optional
 Build-Depends: debhelper (>= 9),