updated before_install section

Author: frsyuki

.travis.yml

@@ -46,7 +46,8 @@ env:
     - secure: "bWJR/alkUhovaZVn4EySamXsWsvAngLh/krZf3Jha6gYWGaf6HXFwB5gM9EaBIQsZKGECL9AKN0v8rX6tqSnXMKX2FgA9ClYvO0F60JviY6Ur6OT2rG0pm+WZZ1jzyGmf+5gVqiWF1/lM/tokdnj0Nw68OQwlNdc+DqxGXormO8="  # travis encrypt COVERITY_SCAN_TOKEN=...
 
 before_install:
-  - test "$TRAVIS_BRANCH" != "coverity_scan" -o ${TRAVIS_JOB_NUMBER##*.} = 1 || exit 0  # Skip build if branch is coverity_scan and this is the 1st job of the build matrix
+  # Skip build if branch is coverity_scan and this is the 1st job of the build matrix
+  - test "$TRAVIS_BRANCH" != "coverity_scan" -o "${TRAVIS_JOB_NUMBER##*.}" = 1 || exit 0
 
 addons:
   coverity_scan: