K 10
svn:author
V 6
pkubaj
K 8
svn:date
V 27
2020-06-19T14:00:16.941672Z
K 7
svn:log
V 385
devel/plan9port: fix build on GCC architectures

Use newer GCC:
cc1: error: unrecognized command line option "-Wno-misleading-indentation"
cc1: error: unrecognized command line option "-Wno-stringop-truncation"
cc1: error: unrecognized command line option "-Wno-stringop-overflow"
cc1: error: unrecognized command line option "-Wno-format-truncation"

MFH:		2020Q2 (fix build blanket)

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