Update circle.yml

Gunasekar-K · web-flow · commit a7d1da972d3c · 2017-09-06T10:16:09.000+05:30
diff --git a/circle.yml b/circle.yml
@@ -5,6 +5,7 @@ machine:
     CXX: g++-4.8
 
 dependencies:
+  pre:
     - sudo add-apt-repository ppa:ubuntu-toolchain-r/test  -y
     - sudo apt-get update -y
     - sudo apt-get install g++-4.8  -y
