Update LWJGLX for proper icon support.

Author: Fox2Code

gradle.properties

@@ -81,7 +81,7 @@ fox-events.version=1.3.1
 fox-flex-ver.version=1.1.0
 
 # https://github.com/Fox2Code/lwjglx/releases
-lwjglx.version=v0.28
+lwjglx.version=v0.29
 
 # For dependency bundles.
 # https://mvnrepository.com/artifact/net.java.dev.jna/jna