misc/emacs: Restore the window position after a successful gofmt.
misc/emacs: Restore the window position after a successful gofmt.

This adds restoring the window position so that the buffer doesn't jump around after the erase/copy.

R=sameer
CC=golang-dev
http://codereview.appspot.com/5981055

Committer: Sameer Ajmani <da4a4efb907a17fabb3e092841511e7f24e226cf@golang.org>

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