abis_nm: ceck fseek() return code in is_last_line()

Change-Id: I8ed4e703625c9da959e0938cd1eb3f0c73a2d4d0
Fixes: Coverity CID 57643
1 file changed
tree: ed1d4d35ec9d7d9c5f25e6b917153fa993a1e9ce
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap