counter: fix NPE on nullable element to_s
authorAlexandre Terrasa <alexandre@moz-code.org>
Mon, 27 Feb 2017 19:37:25 +0000 (14:37 -0500)
committerAlexandre Terrasa <alexandre@moz-code.org>
Mon, 27 Feb 2017 19:37:25 +0000 (14:37 -0500)
commit3549f7c93b4ce718702317616f5507b699db499d
tree64e1f1cbb57faaad5230827bde501f4542933026
parent1fc94ddfe04ff56e12528dae607c7571649821f7
counter: fix NPE on nullable element to_s

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>
lib/counter.nit