Add go1.7 build constraint to pubsub example

The example uses context package introduced in Go 1.7.
1 file changed
tree: 880b5ba0959010eaab9bd69bb0385f4fac6d311d
  1. .github/
  2. internal/
  3. redis/
  4. redisx/
  5. .travis.yml
  6. LICENSE
  7. README.markdown