netioapi.h: Use WINAPI call convention for PIPINTERFACE_CHANGE_CALLBACK
fwptypes.h: Remove FWPM_DISPLAY_DATA0 type defintion

As the prefix indicates, this type belongs to fwpmtypes.h, where it is aready
defined.
iketypes.h: Remove superfluous #endif

Balances the #ifdef definition and fixes preprocessing the header.
ipsectypes.h: Begin IPSEC_TRANSFORM_TYPE enumeration at 1

Compared to the original headers all values are off by one.
ipsectypes.h: Begin IPSEC_CIPHER_TYPE enumeration at 1

Compared to the original headers all values are off by one.
softmath: Add initial softmath implementation by adding cosf
fwptypes.idl: Remove FWPM_DISPLAY_DATA0 type defintion

After removing it from the header file, remove the definition from the
generating .idl file as well.