debug: Fix typo DMM -> DNM (we don't need DMM twice)

This prevented NM related log messages from showing up at stderr
1 file changed
tree: ee36c7ff508f0c72819fc65a05b08aeaee11a345
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. rrlp-ephemeris/
  5. wireshark/