travis: workaround the fact that Travis images are not always up-to-date

diff --git a/.travis.yml b/.travis.yml
index 1c661410f6ed5d82b998ec127a38e59f53e02e30..29447476b632421a5360b7d21f54c24a1e8c384b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: "python"
 install:
+  - "sudo apt-get -qq update"
   - "sudo apt-get -y install automake autoconf libtool pkg-config"
   - "sudo apt-get -y install libsnmp-dev libxml2-dev libjansson-dev libevent-dev check"
 script: "./autogen.sh && ./configure $LLDPD_CONFIG_ARGS && make && make check && make distcheck && sudo make install"