Clean up some Makefiles.* WARNS?=6 is usually not needed because upper-level Makefile.inc's already have it (such as usr.bin/Makefile.inc).* Remove an unneded SRCS in ndis_events(8).
libnetgraph7/netgraph.3: Correct a prototype.
netgraph7: Bring in ng_eiface.
Remove ATM protocol support.FreeBSD ditched it about 6 years ago. Also, I'm not sure if this everworked on x86_64.
libdevinfo|libnetgraph7: simplify parens usage in function arguments
add .Mt to man pages in lib/
netgraph7: Welcome ng_tty.
netgraph7: uncomment ng_tcpmss cookie.* Forgotten in last commit.
netgraph7: welcome ng_tcpmss.
netgraph7: welcome ng_rfc1490.
netgraph7: welcome ng_hub.
netgraph7: Welcome ng_pppoe.
netgraph7: Welcome ng_one2many.
netgraph7: Welcome ng_mppc.
netgraph7: Welcome ng_ppp.
netgraph7: Welcome ng_lmi.
netgraph7: Welcome ng_l2tp.
netgraph7: welcome ng_frame_relay.
netgraph7: Welcome ng_etf.
netgraph7: Welcome ng_echo.
netgraph7: Welcome ng_pptpgre.
NETGRAPH7: Welcome ng_ksocket.* Put ng_ksocket in its own subdirectory and attach it to the build
NETGRAPH7: libnetgraph7: fix compilation.
libnetgraph7: remove extra WARNS from the Makefile* Remove superfluous WARNS?= declaration.
Welcome ng_deflate.
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