Re: [libvirt PATCH 00/10] virHashNew refactorings - part IV

"virHashNew" cannot return NULL, yet we check for NULL in various places. See https://listman.redhat.com/archives/libvir-list/2021-July/msg00074.html. Tim Wiederhake (10): conf: Add AUTOPTR_CLEANUP_FUNC for virNWFilterBindingDef virNWFilterBindingDefCopy: `virHashNew` cannot return NULL virNWFilterBindingDefCopy: Use automatic memory management virNWFilterBindingDefCopy: Remove superfluous `goto`s virNWFilterBindingDefForNet: `virHashNew` cannot return NULL virNWFilterBindingDefForNet: Use automatic memory management virNWFilterBindingDefForNet: Remove superfluous `goto`s virNWFilterBindingObjListNew: `virHashNew` cannot return NULL virNWFilterBuildAll: `virHashNew` cannot return NULL virNWFilterDHCPSnoopInit: `virHashNew` cannot return NULL