only log actual access control class ramping changes

Silence log messages about no-op changes to access granted to access
control classes. For example, these always occur while configuration
files are being loaded.

This is a port of osmo-bsc commit 53d40e078e9df20103b7ed26daa936720c9dec83
Related: OS#2591

Change-Id: I2f892b998eb8119e623c1d87ffe865b48f7d5a87
1 file changed
tree: 43c1ca521bfcaf6faeaa077e9f649450f0f8c908
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap