build: fix deploy script condition (take 2)

Author: hansl

.travis.yml

@@ -71,5 +71,5 @@ before_install:
 
 script:
   - if [[ "$SCRIPT" ]]; then npm run-script $SCRIPT; fi
-  - if [[ "$NODE_SCRIPT" ]]; then node -e $NODE_SCRIPT; fi
-  - if [[ "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_BRANCH" == "master" && "$DEPLOY_SCRIPT" != "" ]]; then node -e $DEPLOY_SCRIPT; fi
+  - if [[ "$NODE_SCRIPT" ]]; then node $NODE_SCRIPT; fi
+  - if [[ "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_BRANCH" == "master" && "$DEPLOY_SCRIPT" != "" ]]; then node $DEPLOY_SCRIPT; fi