fix message when local and remote tags differ

fix message when local and remote tags differ

The check for "local tag not found" was wrongly copying the later check for
tag mismatch, so when the tags did not match this message was shown:

  Error [2]: verifying remote tag
  Error [3]: can not find commit ID for local tag "v6.6" in ".../in/linux/.git"

Now it correctly shows:

  Error [2]: verifying remote tag
        [2]: local tag differs from remote tag
  tag name: v6.6
  local:  6e815efe19a99a33b16cc720c3d3a727565a4fa1
  remote: 5260836abb7056beed3f3f0d0e4262c11f36f0d0

Signed-off-by: Rolf Eike Beer <eb@emlix.com>