maintainer-feedback requested: [Bug 233542] devel/kBuild improperly selects gcc version

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Bugzilla Automation <bugzilla at FreeBSD.org> has asked vbox at FreeBSD.org for
maintainer-feedback:
Bug 233542: devel/kBuild improperly selects gcc version
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233542



--- Description ---
gcc6 is deprecated but kBuild/Makefile specifies "USE_GCC=any" which results in
gcc6 being used. gcc6 is EOL and is taged for expiration.

While I believe that bsd.gcc.mk is incorrectly selecting gcc6 for the
"any"case, the recommended value for gcc when a specific version is required is
"USE_GCC=yes". Changing the Makefile successfully builds kBuild using gcc7. The
attached patch makes this change.