added printing of valgrind log to travis.yml in case of error
diff --git a/.travis.yml b/.travis.yml
index 37b0d9d..5c8a695 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ dist: xenial
# Files do not exist in case of success
after_failure:
- cat test_*.log
+ - cat valgrind_test.log
- cat gcc_errors_*.log
# In case of a Travis error a success might get signaled