Fix Edit Voxel Size label in preview

The format string was wrong so it was rendering an extra % character

Reviewed By: sergey

Differential Revision: https://developer.blender.org/D7942

source/blender/editors/object/object_remesh.c

@@ -338,7 +338,7 @@ static void voxel_size_edit_draw(const bContext *UNUSED(C), ARegion *UNUSED(ar),
   char str[VOXEL_SIZE_EDIT_MAX_STR_LEN];
   short strdrawlen = 0;
 
-  BLI_snprintf(str, VOXEL_SIZE_EDIT_MAX_STR_LEN, "%3.4f%%", cd->voxel_size);
+  BLI_snprintf(str, VOXEL_SIZE_EDIT_MAX_STR_LEN, "%.4f", cd->voxel_size);
   strdrawlen = BLI_strlen_utf8(str);
 
   immUnbindProgram();