[Bf-blender-cvs] [2d533461f17] greasepencil-object: Fix compiler warning

[Antonio Vazquez]

Commit: 2d533461f179a382b2ff2968bbe8a88863f52193
Author: Antonio Vazquez
Date:   Mon Dec 18 19:17:07 2017 +0100
Branches: greasepencil-object
https://developer.blender.org/rB2d533461f179a382b2ff2968bbe8a88863f52193

Fix compiler warning

===================================================================

M	source/blender/blenkernel/BKE_gpencil.h

===================================================================

diff --git a/source/blender/blenkernel/BKE_gpencil.h b/source/blender/blenkernel/BKE_gpencil.h
index 92f983595bd..7260d654a7f 100644
--- a/source/blender/blenkernel/BKE_gpencil.h
+++ b/source/blender/blenkernel/BKE_gpencil.h
@@ -52,6 +52,7 @@ struct bDeformGroup;
 struct GpencilSimplifyModifierData;
 struct GpencilArrayModifierData;
 struct GpencilLatticeModifierData;
+struct GpencilHookModifierData;
 
 /* ------------ Grease-Pencil API ------------------ */