Add bug143 to demonstrate bug with "v, ok :=" on pointers to maps.
Add bug143 to demonstrate bug with "v, ok :=" on pointers to maps.

R=r
APPROVED=r
DELTA=26  (26 added, 0 deleted, 0 changed)
OCL=27651
CL=27651

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