mgcp: Do not use errx as finding a test failure is too hard

It took me a long time to figure out that errx just exits and
the test output didn't indicate that the application was exited
early. Use a printf and good old abort in case of a failure.
1 file changed
tree: aa1a4e710a25a6a24495ea5543bee8213700e128
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. README