avoid to use 0 instead of NULL
authorJean-Philippe Orsini <jeanfi@gmail.com>
Wed, 24 Sep 2014 09:57:07 +0000 (11:57 +0200)
committerJean-Philippe Orsini <jeanfi@gmail.com>
Wed, 24 Sep 2014 09:57:07 +0000 (11:57 +0200)
commit27a6a076c4eb251e5ec3fd0a23b59f080e19331a
treea7f22f001b85453963dc921d647e784ef1028538
parent58a00bf0b15e00d4e591d1ced021361e8ce63c6d
avoid to use 0 instead of NULL
src/graph.c