Travis CI: Pass branch option to coveralls-lcov

Author: ivmai

.travis.yml

@@ -628,7 +628,7 @@ after_success:
     lcov --capture --directory src --directory tests --output-file coverage.info &&
     lcov --remove coverage.info 'tests/*' --output-file coverage.info &&
     lcov --list coverage.info &&
-    coveralls-lcov --repo-token=${COVERALLS_REPO_TOKEN} coverage.info;
+    coveralls-lcov --repo-token=${COVERALLS_REPO_TOKEN} --branch=${TRAVIS_BRANCH} coverage.info;
   fi
 
 deploy: