fixed tmp make dir path

Author: frsyuki

.travis.yml

@@ -51,7 +51,7 @@ addons:
       name: "msgpack/msgpack-ruby"
       description: "Build submitted via Travis CI"
     notification_email: frsyuki@gmail.com
-    build_command_prepend: "bundle exec rake compile; cd tmp/x86_64-linux-*/msgpack/*/; make clean"
-    build_command: "cd tmp/x86_64-linux-*/msgpack/*/; make clean; make"
+    build_command_prepend: "bundle exec rake compile; cd tmp/x86_64-linux*/msgpack/*/; make clean"
+    build_command: "cd tmp/x86_64-linux*/msgpack/*/; make clean; make"
     branch_pattern: coverity_scan