Added branch to .travis deploy

.travis.yml

@@ -47,12 +47,8 @@ deploy:
   file_glob: true
   file: $CRATE_NAME-$TRAVIS_TAG-$TARGET.*
   on:
-    # TODO Here you can pick which targets will generate binary releases
-    # In this example, there are some targets that are tested using the stable
-    # and nightly channels. This condition makes sure there is only one release
-    # for such targets and that's generated using the stable channel
-    # condition: $TRAVIS_RUST_VERSION = stable
     tags: true
+    branch: master
   provider: releases
   skip_cleanup: true