Update Compiling: add missing dedicated server build dependency

diff --git a/Compiling.md b/Compiling.md
index 2e6d3c390bc5ad1416f58174104b2c126133f163..1370142cfefda9152ea6147ad8e7acc46ec2ad8b 100644 (file)
--- a/Compiling.md
+++ b/Compiling.md
@@ -14,6 +14,6 @@ Invoking `make` or `make help` in the Xonotic directory will print the supported
 ## System package dependencies
 ### Debian
 Build (client): `build-essential automake libgmp-dev libjpeg-dev libsdl2-dev`  
-Build (server): `build-essential automake libgmp-dev libjpeg-dev`  
+Build (server): `build-essential automake libgmp-dev libjpeg-dev zlib1g-dev`  
 Runtime (client): `libcurl rsync libpng libfreetype6 libvorbisfile`  
 Runtime (server): `libcurl rsync libpng`