cmd/5l: add PT_PAX_FLAGS ELF header Although I don't use PAX enabled ARM kernels, PAX does have support for ARM, so we're better off add PT_PAX_FLAGS now in case people use PAX kernels.
cmd/5l: add PT_PAX_FLAGS ELF header
Although I don't use PAX enabled ARM kernels, PAX
does have support for ARM, so we're better off add
PT_PAX_FLAGS now in case people use PAX kernels.

R=golang-dev, rsc
CC=golang-dev
http://codereview.appspot.com/6453092

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