K 10
svn:author
V 8
bdrewery
K 8
svn:date
V 27
2018-01-04T19:19:11.082785Z
K 7
svn:log
V 435
MFH: r458048

Stop truncating .MAKEOVERRIDES after the FLAVORS work.

There is no such variable as ${MAKEOVERRIDES}, only ${.MAKEOVERRIDES}, so this
code was simply truncating .MAKEOVERRIDES entirely which could cause performance
and other odd issues with OSREL and make recursion.

We don't want to leak FLAVOR to child sub-makes but that can be fixed later;
this code was not doing what it intended.

Approved by:	portmgr (implicit)

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