* dtable.cc (build_fh_pc): Add missing DEV_SD1_MAJOR case (Thanks to

	* dtable.cc (build_fh_pc): Add missing DEV_SD1_MAJOR case (Thanks to
	Joe Loh for noticing).

	* cygheap.h (struct user_heap_info): Add slop member.
	* heap.cc (heap_init): Add slop factor to heap allocation.  Add
	comment.
	* mmap.cc (MapViewNT): Allocate memory maps top down.
	(fhandler_dev_zero::mmap): Ditto.
	* shared.cc (shared_info::heap_slop_size): New method.
	(shared_info::heap_chunk_size): Don't use debug_printf at early stage.
	* shared_info.h (SHARED_INFO_CB): Accomodate change to shared_info.
	(CURR_SHARED_MAGIC): Ditto.
	(class shared_info): Add heap_slop member.  Declare heap_slop_size.
	* wincap.h: Define heapslop throughout.
	* wincap.cc: Ditto.