Fix treeNode methods and pointer types

Author: SpaiR

imgui-binding/src/main/java/imgui/ImGui.java

@@ -3247,7 +3247,7 @@ public static boolean inputScalarN(String label, int dataType, ImShort pData, in
     // - TreeNode functions return true when the node is open, in which case you need to also call TreePop() when you are finished displaying the tree node contents.
 
     public static native boolean treeNode(String label); /*
-        return ImGui::TreeNode(label, NULL);
+        return ImGui::TreeNode(label);
     */
 
     /**
@@ -3274,8 +3274,8 @@ public static boolean inputScalarN(String label, int dataType, ImShort pData, in
         return ImGui::TreeNodeEx(strId, imGuiTreeNodeFlags, label, NULL);
     */
 
-    public static native boolean treeNodeEx(int ptrId, int imGuiTreeNodeFlags, String label); /*
-        return ImGui::TreeNodeEx((void*)(intptr_t)ptrId, imGuiTreeNodeFlags, label, NULL);
+    public static native boolean treeNodeEx(long ptrId, int imGuiTreeNodeFlags, String label); /*
+        return ImGui::TreeNodeEx((void*)ptrId, imGuiTreeNodeFlags, label, NULL);
     */
 
     /**
@@ -3290,7 +3290,7 @@ public static boolean inputScalarN(String label, int dataType, ImShort pData, in
     */
 
     public static native void treePush(long ptrId); /*
-        ImGui::TreePush((void*)(intptr_t)ptrId);
+        ImGui::TreePush((void*)ptrId);
     */
 
     /**