fixed if..elif..fi statement

.travis.yml

@@ -50,7 +50,7 @@ before_deploy:
 - |
   if [[ -n "$TRAVIS_TAG" ]]; then
     mvn -fmain/pom.xml org.codehaus.mojo:versions-maven-plugin:set -DnewVersion=$TRAVIS_TAG
-  elif [[ $TRAVIS_BRANCH == "develop" ]] && [[ $TRAVIS_PULL_REQUEST == "false" ]]
+  elif [[ $TRAVIS_BRANCH == "develop" ]] && [[ $TRAVIS_PULL_REQUEST == "false" ]]; then
     mvn -fmain/pom.xml org.codehaus.mojo:versions-maven-plugin:set -DnewVersion=SNAPSHOT-$(echo $TRAVIS_COMMIT | head -c7)
     git tag -f continuous
     git remote add gh https://cryptobot:${GITHUB_API_KEY}@github.com/cryptomator/cryptomator.git