A+C: add Robert Dinu (Individual CLA)

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7386045

AUTHORS

@@ -229,6 +229,7 @@ Richard Eric Gavaletz <gavaletz@gmail.com>
 Rick Arnold <rickarnoldjr@gmail.com>
 Risto Jaakko Saarelma <rsaarelm@gmail.com>
 Robert Daniel Kortschak <dan.kortschak@adelaide.edu.au>
+Robert Dinu <r@oktett.se>
 Robert Figueiredo <robfig@gmail.com>
 Robert Hencke <robert.hencke@gmail.com>
 Robin Eklind <r.eklind.87@gmail.com>

CONTRIBUTORS

@@ -333,6 +333,7 @@ Rick Arnold <rickarnoldjr@gmail.com>
 Risto Jaakko Saarelma <rsaarelm@gmail.com>
 Rob Pike <r@golang.org>
 Robert Daniel Kortschak <dan.kortschak@adelaide.edu.au>
+Robert Dinu <r@oktett.se>
 Robert Figueiredo <robfig@gmail.com>
 Robert Griesemer <gri@golang.org>
 Robert Hencke <robert.hencke@gmail.com>