Blender Git Loki

Depsgraph: Use BLI_gset_add() instead of BLI_gset_insert() to avoid duplicate entries in set

So it turns out that using BLI_gset_insert() will just cause the ghash-set
implementation to blindly add duplicate entries if the key already exists
in the hashtable - not exactly what we want, as that kindof violates the
whole point of such data structures.