Update commit message

Change travis-ci.org/ to travis-ci.com/github/.

Author: k-takata

tools/deploy-gh-pages.sh

@@ -18,7 +18,7 @@ if ! git diff --quiet HEAD ; then
   git config push.default simple
   git config user.email "$DEPLOY_USER_EMAIL"
   git config user.name "$DEPLOY_USER_NAME"
-  git commit -m "Generated by Travis JOB $TRAVIS_JOB_NUMBER" -m "https://travis-ci.org/$TRAVIS_REPO_SLUG/builds/$TRAVIS_BUILD_ID"
+  git commit -m "Generated by Travis JOB $TRAVIS_JOB_NUMBER" -m "https://travis-ci.com/github/$TRAVIS_REPO_SLUG/builds/$TRAVIS_BUILD_ID"
   git push
 else
   echo "No changes"