1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesh.h b/src/mesh.h
index 70b7f4d..c97e3cb 100644
--- a/src/mesh.h
+++ b/src/mesh.h
@@ -8,6 +8,8 @@
 
 #include "common.h"
 
+extern int honey_mesh_mt_ref;
+
 typedef struct {
     unsigned int n_vertices, n_indices;
   unsigned int vertex_array, vertex_buffer, element_buffer;