add uname -r

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45690 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

.travis.yml

@@ -39,6 +39,7 @@ install: "sudo apt-get -qq build-dep ruby1.9.1 2>/dev/null"
 # enough for Travis to shut down the VM as being stalled.
 before_script:
   - "uname -a"
+  - "uname -r"
   - "make -f common.mk BASERUBY=ruby srcdir=. update-config_files"
   - "autoconf"
   - "mkdir config_1st config_2nd"