travis: use custom libssh2 package Use the custom libssh2 package that is a backport of libssh2 1.8.0 to Ubuntu trusty.
diff --git a/.travis.yml b/.travis.yml
index a4c8e91..242f3b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,7 +34,7 @@ addons:
libcurl3
libcurl3-gnutls
libcurl4-gnutls-dev
- libssh2-1-dev
+ libssh2-1
openssh-client
openssh-server
valgrind