highlight: avoid some NPE and fix warnings
authorJean Privat <jean@pryen.org>
Thu, 23 Jun 2016 19:06:27 +0000 (15:06 -0400)
committerJean Privat <jean@pryen.org>
Thu, 23 Jun 2016 19:14:58 +0000 (15:14 -0400)
commit8441e00dda40138992364362ecca174650fa2900
treeb0a7692b92eadcf0279e7dc01dcdb165fc0b2169
parent2af50e209c01519633aefbe9fa4d51dfc039a7d2
highlight: avoid some NPE and fix warnings

Signed-off-by: Jean Privat <jean@pryen.org>
src/highlight.nit