Comment 4 for bug 765424

Can't rebuild on Oneiric. I have no idea why it can't find this header.

ccache gcc -DHAVE_CONFIG_H -I. -I/tmp/trickle-1.07 -Wall -Icompat -g -O2 -c /tmp/trickle-1.07/trickled.c
/tmp/trickle-1.07/trickled.c:22:22: fatal error: sys/tree.h: No such file or directory