[gnome-system-monitor] Update needed Dependencies

[Robert Roth <robertroth src gnome org>]

commit 0d37f0aadab5b2ee6b7132af06195818bb93d651
Author: Energiereaktor <adi thomet bluewin ch>
Date:   Sun Aug 16 11:49:43 2020 +0200

    Update needed Dependencies

 HACKING | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/HACKING b/HACKING
index 13adb319..726141a5 100644
--- a/HACKING
+++ b/HACKING
@@ -1,5 +1,5 @@
 # Dependencies - can be found in meson.build
-apt-get install meson libglibmm-2.4-dev libgtkmm-3.0-dev libgtop2-dev librsvg2-dev libxml2-dev libsystemd-dev
+sudo apt-get install meson gettext appstream-util itstool libglibmm-2.4-dev libgtkmm-3.0-dev libgtop2-dev 
librsvg2-dev libxml2-dev libsystemd-dev
 
 # Meson