OS-5007 support SO_ATTACH_FILTER on ICMP sockets
Reviewed by: Cody Mello <melloc@joyent.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Approved by: Jerry Jelinek <jerry.jelinek@joyent.com>

*** 21,30 ****
--- 21,31 ----
  #
  # uts/intel/icmp/Makefile
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
+ # Copyright 2016 Joyent, Inc.
  #
  #       This makefile drives the production of the icmp IP driver
  #
  #       intel implementation architecture dependent
  #
*** 61,70 ****
--- 62,73 ----
  #
  ALL_TARGET      = $(BINARY) $(SRC_CONFFILE)
  LINT_TARGET     = $(MODULE).lint
  INSTALL_TARGET  = $(BINARY) $(ROOTMODULE) $(ROOTLINK) $(ROOT_CONFFILE)
  
+ INC_PATH        += -I$(UTSBASE)/common/io/bpf
+ 
  #
  #       depends on ip and sockfs
  #
  LDFLAGS         += -dy -Ndrv/ip -Nfs/sockfs