This commit builds a static runtime version of the asn1 library
which is required for some thirdparty applications.
LIBASN1_S =$(LIBDIR)\libasn1_s.lib
This differs from libasn1.lib which is compiled to use the
dynamic runtime.
Change-Id: Ib04f5b53a7f16d7bbe9d2debb75e944322a6792a