fix fastutil not being relocated

build.gradle

@@ -222,6 +222,7 @@ subprojects { p ->
         forgeShadowMe("com.electronwill.night-config:toml:${rootProject.nightconfig_version}")
         forgeShadowMe("com.electronwill.night-config:json:${rootProject.nightconfig_version}")
         
+        // Fastutil
         forgeShadowMe("it.unimi.dsi:fastutil:${rootProject.fastutil_version}")
 
         // SVG (not needed atm)
@@ -310,6 +311,9 @@ subprojects { p ->
         if (project.hasProperty("embed_joml") && embed_joml == "true")
             relocate "org.joml", "${librariesLocation}.joml"
 
+        // FastUtil
+        relocate "it.unimi.dsi.fastutil", "${librariesLocation}.unimi.dsi.fastutil"
+        
         // NightConfig (includes Toml & Json)
         relocate "com.electronwill.nightconfig", "${librariesLocation}.electronwill.nightconfig"