Fix FreeBSD (10.x) build after 7dc9ae43

Include sys/user.h for declaration of 'struct kinfo_proc'.
Add -lutil to qemu-ga link for kinfo_getproc.

Signed-off-by: Ed Maste <emaste@freebsd.org>
Message-id: 1479778365-11315-1-git-send-email-emaste@freebsd.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

configure

@@ -582,6 +582,8 @@ FreeBSD)
   audio_possible_drivers="oss sdl pa"
   # needed for kinfo_getvmmap(3) in libutil.h
   LIBS="-lutil $LIBS"
+  # needed for kinfo_getproc
+  libs_qga="-lutil $libs_qga"
   netmap=""  # enable netmap autodetect
   HOST_VARIANT_DIR="freebsd"
 ;;

util/oslib-posix.c

@@ -45,6 +45,7 @@
 
 #ifdef __FreeBSD__
 #include <sys/sysctl.h>
+#include <sys/user.h>
 #include <libutil.h>
 #endif