Update .travis.yml

fixed C++14 related error

Author: ivailop

.travis.yml

@@ -23,9 +23,9 @@ install:
  - popd
 
 script:
- - make -C $CPPUTEST_HOME/examples CPPUTEST_USE_GCOV=Y clean all_no_tests |& tee build.log ; test ${PIPESTATUS[0]} -eq 0
+ - make -C $CPPUTEST_HOME/examples CPPUTEST_CXX_WARNINGFLAGS=-Wno-c++14-compat CPPUTEST_USE_GCOV=Y clean all_no_tests |& tee build.log ; test ${PIPESTATUS[0]} -eq 0
  - $CPPUTEST_HOME/examples/CppUTestExamples_tests -o junit -v
  - gcovr --root ./ --filter ".*/ApplicationLib/.*" -x -o coverage.xml
 
 after_script:
- - testspace build.log{lint} [Tests]cpputest_*.xml coverage.xml 
+ - testspace build.log{lint} [Tests]cpputest_*.xml coverage.xml