Add 3CX Phone System Management Console favicon fingerprint

[mkienow-r7]

Description

Adds 3CX Phone System Management Console favicon fingerprint.

Notes

Fingerprinted unknown product version.

• favicon.ico

  $ file favicon.ico
  favicon.ico: PNG image data, 32 x 32, 16-bit/color RGBA, non-interlaced
  $ md5 favicon.ico
  MD5 (favicon.ico) = 619e4452da00dad6c3d7b5fd99b9390e

Motivation and Context

Improved coverage

How Has This Been Tested?

• bundle exec ./bin/recog_verify xml/favicons.xml
• rake tests

Types of changes

• New feature (non-breaking change which adds functionality)

Checklist:

• [x] I have updated the documentation accordingly (or changes are not required).
• [x] I have added tests to cover my changes (or new tests are not required).
• [x] All new and existing tests passed.