sysutils/mcelog: Updated to 146

• Updated to 146
• Added shebangfix
  • Fix malloc buffer overrun for unordered CPUs in sysfs
  • Fix overriding of DEBUG for make test
  • Change all test scripts to /bin/bash to handle Debian
  • Run all tests in make test

PR: 215596
Submitted by: Ultima1252@gmail.com (maintainer)
Reviewed by: matthew, mat
Approved by: matthew (mentor)
Differential Revision: https://reviews.freebsd.org/D8957