commit 697b0dd8c4aa562c2a7f71f903ed96ae1c4fe200
Author: Dalai Felinto <dfelinto@gmail.com>
Date:   Thu Aug 22 10:13:46 2019 -0300

    Fix build broken since recent change to ntreeAddTree
    
    Build broken since 8f578150eaf4.

diff --git a/source/blender/makesrna/intern/rna_main_api.c b/source/blender/makesrna/intern/rna_main_api.c
index fec991e16da..de6f271fd9c 100644
--- a/source/blender/makesrna/intern/rna_main_api.c
+++ b/source/blender/makesrna/intern/rna_main_api.c
@@ -312,7 +312,7 @@ static struct bNodeTree *rna_Main_nodetree_new(Main *bmain, const char *name, in
 
   bNodeTreeType *typeinfo = rna_node_tree_type_from_enum(type);
   if (typeinfo) {
-    bNodeTree *ntree = ntreeAddTree(bmain, safe_name, typeinfo->idname);
+    bNodeTree *ntree = ntreeAddTree(bmain, safe_name, typeinfo->idname, NULL);
 
     id_us_min(&ntree->id);
     return ntree;