Update miniz for tinyexr

Source/ThirdParty/tinyexr/tinyexr.Build.cs

@@ -2,11 +2,12 @@
 
 using Flax.Build;
 using Flax.Build.NativeCpp;
+using System.IO;
 
 /// <summary>
 /// https://github.com/syoyo/tinyexr
 /// </summary>
-public class tinyexr : HeaderOnlyModule
+public class tinyexr : ThirdPartyModule
 {
     /// <inheritdoc />
     public override void Init()
@@ -19,4 +20,12 @@ public class tinyexr : HeaderOnlyModule
         // Merge third-party modules into engine binary
         BinaryModuleName = "FlaxEngine";
     }
+
+    /// <inheritdoc />
+    public override void Setup(BuildOptions options)
+    {
+        base.Setup(options);
+
+        options.PublicIncludePaths.Add(Path.Combine(Globals.EngineRoot, "Source/ThirdParty/tinyexr"));
+    }
 }