[Bug 1022983] Update to Go 1.2

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1022983

--- Comment #22 from Vincent Batts  ---
release! cool.

So the failure on unused variables is tied up in $RPM_OPT_FLAGS $RPM_LD_FLAGS.
I've tried a variety of ways to work around this, but I feel that seeking an
exception for this package will be best.