[ros-diffs] [ion] 17420: Major cleanup of NDK. I've decided that it would be much cleaner to accumulate all types, regardless of their um/km availabilty, into each header. Thus, umtypes.h now only contains the equivalent of ntdef.h and is automatically not-included if the DDK is. Similary, I've removed all the NTIFS hacks and added a single ifssupp.h file, which is automatically removed if the IFS is added. That file will be deleted then the Longhorn WDK is made public (it contains the IFS/DDK). Nothing has