update from curl: cff75acfec/scripts/checksrc.pl Closes #1457
cff75acfec/scripts/checksrc.pl
Files: .travis.yml, configure.ac, ossfuzz Notes: This adds support for an OSS-Fuzz fuzzing target in ssh2_client_fuzzer, which is a cut down example of ssh2.c. Future enhancements can improve coverage. Credit: Max Dymond