Modifiers: add 'cd_flag' parameter to their ID looping callbacks, needed

since some IDs (objects) are not 'refcounted' while others (textures) are...

Partial merge from id-remap branch.

source/blender/modifiers/intern/MOD_lattice.c

@@ -41,6 +41,7 @@
 
 #include "BKE_cdderivedmesh.h"
 #include "BKE_lattice.h"
+#include "BKE_library_query.h"
 #include "BKE_modifier.h"
 
 #include "depsgraph_private.h"
@@ -87,7 +88,7 @@ static void foreachObjectLink(
 {
 	LatticeModifierData *lmd = (LatticeModifierData *) md;
 
-	walk(userData, ob, &lmd->object);
+	walk(userData, ob, &lmd->object, IDWALK_NOP);
 }
 
 static void updateDepgraph(ModifierData *md, DagForest *forest,