net-mgmt/cacti-spine: Update to 1.1.25

Changes:
  - Spine should see if script to be executed is executable
  - Enhance number recognition
  - When polling devices, sort by larger number of items first
  - Log format may be corrupted when timeout occurs
  - Compile warning appears due to GCC flag on RHEL7/RHEL8
  - Downed device detection only checks one of the two uptime OIDs
  - Compile error appears due to execinfo.h on FreeBSD
  - Bootstrap shell script contains some PHP cruft
  - Padding is not always removed from the start of non-numeric strings
  - Improve SNMP result handling for non-numeric results
  - Further improve SNMP result handling for non-numeric results
  - Remove check for the max_oids column which has been present since Cacti v1.0
  - Minimize Sorting when fetching poller records for maximum performance
  - Spine should see if script to be executed is executable