K 10
svn:author
V 7
linimon
K 8
svn:date
V 27
2020-05-26T03:23:37.842790Z
K 7
svn:log
V 177
MFH: r534061

sysutils/clone: fix build on GCC architectures

Use C11 compiler:
cc1: error: unrecognized command line option "-std=gnu11"

Approved by:	portmgr (tier-2 blanket)

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