gc: fix error for 1 <- "foo"
gc: fix error for 1 <- "foo"

was
x.go:4: invalid operation: 1 <- "foo" (send to receive-only type int)

now
x.go:4: invalid operation: 1 <- "foo" (send to non-chan type int)

R=ken2
CC=golang-dev
http://codereview.appspot.com/2330042

tv42/old-go,gnanderson/go,pombredanne/go-deleteme,pombredanne/go-deleteme,apparentlymart/golang,ssrl/go,dsriram/golang,apparentlymart/golang,gnanderson/go,gnanderson/go,gnanderson/go,ssrl/go,dsriram/golang,h8liu/golang,gnanderson/go,pombredanne/go-deleteme,pombredanne/go-deleteme,h8liu/golang,apparentlymart/golang,apparentlymart/golang,h8liu/golang,tv42/old-go,tv42/old-go,apparentlymart/golang,gnanderson/go,dsriram/golang,dsriram/golang,gnanderson/go,pombredanne/go-deleteme,ssrl/go,tv42/old-go,dsriram/golang,pombredanne/go-deleteme,dsriram/golang,dsriram/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,apparentlymart/golang,pombredanne/go-deleteme,ssrl/go,tv42/old-go,ssrl/go,tv42/old-go,tv42/old-go,ssrl/go,ssrl/go,apparentlymart/golang