docs: list make as a build dep.
docs: list make as a build dep.

Fixes issue 45.

R=rsc, r1
CC=golang-dev
http://codereview.appspot.com/154055

bdwalton/debian-golang,nightlyone/golang,tv42/old-go,h8liu/golang,gnanderson/go,apparentlymart/golang,bdwalton/debian-golang,pombredanne/go-deleteme,apparentlymart/golang,ssrl/go,tianon/debian-golang,gnanderson/go,dsriram/golang,ssrl/go,tv42/old-go,apparentlymart/golang,dsriram/golang,tv42/old-go,dsriram/golang,tv42/old-go,tianon/debian-golang,gnanderson/go,bdwalton/debian-golang,pombredanne/go-deleteme,ssrl/go,ssrl/go,bdwalton/debian-golang,tianon/debian-golang,h8liu/golang,bdwalton/debian-golang,pombredanne/go-deleteme,dsriram/golang,bdwalton/debian-golang,apparentlymart/golang,tv42/old-go,nightlyone/golang,h8liu/golang,nightlyone/golang,tianon/debian-golang,h8liu/golang,apparentlymart/golang,tianon/debian-golang,dsriram/golang,tv42/old-go,gnanderson/go,gnanderson/go,nightlyone/golang,h8liu/golang,apparentlymart/golang,dsriram/golang,gnanderson/go,nightlyone/golang,h8liu/golang,gnanderson/go,pombredanne/go-deleteme,ssrl/go,apparentlymart/golang,nightlyone/golang,tianon/debian-golang,ssrl/go,pombredanne/go-deleteme,pombredanne/go-deleteme,tianon/debian-golang,pombredanne/go-deleteme,tv42/old-go,dsriram/golang,bdwalton/debian-golang,h8liu/golang,tianon/debian-golang,ssrl/go,bdwalton/debian-golang,nightlyone/golang