travis: we use bintray's own key for signing The VM on Travis apparently will still proceed, but it's good practice.
diff --git a/.travis.yml b/.travis.yml
index 2af05fb..4c7f8f1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,7 +24,7 @@ addons:
apt:
sources:
- sourceline: 'deb https://dl.bintray.com/libgit2/ci-dependencies trusty libgit2deps'
- key_url: 'https://www.edwardthomson.com/keys/ethomson@libgit2.org'
+ key_url: 'https://bintray.com/user/downloadSubjectPublicKey?username=bintray'
packages:
- cmake
- curl