[Bf-blender-cvs] [3898236b81b] blender2.8: Third fix for my merge: crash after switch to edit mode reported by @dfelinto

[Alexander Romanov]

Commit: 3898236b81b9bc77c231a265b8bb225b4ff07637
Author: Alexander Romanov
Date:   Tue Jul 4 17:53:19 2017 +0300
Branches: blender2.8
https://developer.blender.org/rB3898236b81b9bc77c231a265b8bb225b4ff07637

Third fix for my merge: crash after switch to edit mode reported by @dfelinto

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

M	source/blender/blenkernel/intern/mesh_tangent.c

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

diff --git a/source/blender/blenkernel/intern/mesh_tangent.c b/source/blender/blenkernel/intern/mesh_tangent.c
index d370e202134..c1b74b3eb6f 100644
--- a/source/blender/blenkernel/intern/mesh_tangent.c
+++ b/source/blender/blenkernel/intern/mesh_tangent.c
@@ -645,7 +645,7 @@ void BKE_mesh_calc_loop_tangent_ex(
 				    tangent_mask_curr |= DM_TANGENT_MASK_ORCO;
 				}
 				else {
-				    int uv_ind = CustomData_get_named_layer_index(loopdata, CD_MLOOPUV, loopdata->layers[index].name);
+				    int uv_ind = CustomData_get_named_layer_index(loopdata, CD_MLOOPUV, loopdata_out->layers[index].name);
 				    int uv_start = CustomData_get_layer_index(loopdata, CD_MLOOPUV);
 				    BLI_assert(uv_ind != -1 && uv_start != -1);
 				    BLI_assert(uv_ind - uv_start < MAX_MTFACE);