docs: add libxkbcommon dependency (Keyboard handling)

diff --git a/BUILD.md b/BUILD.md
index 00f6e4b..fb98aa9 100644 (file)
--- a/BUILD.md
+++ b/BUILD.md
@@ -32,7 +32,7 @@ It should be straightforward to use it on other Linux distros.
 
 These packages are needed to build this repository: 
 ```
-sudo apt-get install git cmake build-essential bison libx11-dev libxcb1-dev
+sudo apt-get install git cmake build-essential bison libx11-dev libxcb1-dev libxkbcommon-dev
 ```
 
 Example debug build (Note that the update\_external\_sources script used below builds external tools into predefined locations. See **Loader and Validation Layer Dependencies** for more information and other options):