inetmib1: Copy an IP net row's physical address using a type-specific helper function, rather than using a generic helper function which made an invalid alignment assumption.

We can't do this safely when there are multiple objects for a single stream.

crypt32: Compare CRL's authority key identifier against the certificate's subject key identifier property, which also decodes the certificate's extension if necessary.

shell32/tests: Decide whether to use CSIDL_PROGRAMS or CSIDL_COMMON_PROGRAMS by checking admin rights.