tools: lint for spacing around unary operators

Enable `space-unary-ops` in `.eslintrc`. This prohibits things like:

    i ++        // use `i++` instead
    typeof(foo) // use `typeof foo` or `typeof (foo)` instead

Ref: https://github.com/nodejs/node/pull/4772#discussion_r51732299
PR-URL: https://github.com/nodejs/node/pull/5063
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/test/gc/test-http-client-connaborted.js b/test/gc/test-http-client-connaborted.js
index 5accec4ec6..074457a751 100644
--- a/test/gc/test-http-client-connaborted.js
+++ b/test/gc/test-http-client-connaborted.js
@@ -48,7 +48,7 @@ for (var i = 0; i < 10; i++)
   getall();
 
 function afterGC() {
-  countGC ++;
+  countGC++;
 }
 
 var timer;