cmTarget: Do not enforce CMP0111 on imported INTERFACE libraries
Fix logic added by !5113 (merged) to exclude INTERFACE libraries from the policy. They have no location.
Fixes: #21470 (closed)
Backport: release
Fix logic added by !5113 (merged) to exclude INTERFACE libraries from the policy. They have no location.
Fixes: #21470 (closed)
Backport: release