Update package index (as recommended by Travis CI).

diff --git a/.travis.yml b/.travis.yml
index 6c6a428e6a90da22ddf8c8dbf360188ff54b408c..10ea789cf3fbf9616a33db124139758c4643348c 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language:
   - c
 install:
+  - sudo apt-get update
   - sudo apt-get install linuxdoc-tools linuxdoc-tools-info binutils-mingw-w64-i686 gcc-mingw-w64-i686 sshpass
 script:
   - make bin USER_CFLAGS=-Werror