Merge pull request #95 from alx741/fix_typo

Typo fix in "Launching the 2016 State of Rust Survey"

Author: brson

_posts/2016-05-09-survey.md

@@ -12,7 +12,7 @@ are also eager to hear from you.
 
 Thus, as part of the celebrations, the community team is pleased to announce the
 official [2016 State of Rust Survey](http://goo.gl/forms/HaesyIg73g)!  Whether
-or not you use Rust today, we want to to know your opinions. Your responses will
+or not you use Rust today, we want to know your opinions. Your responses will
 help the project understand its strengths and weaknesses, and to establish
 development priorities for the future.