Fix script name in travis script.

Author: joto

.travis.yml

@@ -89,7 +89,7 @@ install:
    else
      make sizes `brew --prefix`/include/boost/variant.hpp;
    fi
- - script/run_compilation_failure_tests.sh
+ - scripts/run_compilation_failure_tests.sh
  - if [[ ${TEST_GYP_BUILD:-0} == 'True' ]]; then
      make clean;
      make gyp;