travis: Install `bc` utility for kernel compilation

Newer kernels appear to require `bc` to build all the headers

Also, alphabetize the package list

Tested-at: https://travis-ci.org/ddiproietto/ovs/builds/82757574
Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/.travis.yml b/.travis.yml
index 1c11bb5..30b8713 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,9 +6,10 @@ compiler:
 addons:
   apt:
     packages:
+      - bc
+      - gcc-multilib
       - libssl-dev
       - llvm-dev
-      - gcc-multilib
 
 before_install: ./.travis/prepare.sh