K 10
svn:author
V 7
asomers
K 8
svn:date
V 27
2018-01-27T18:06:19.051269Z
K 7
svn:log
V 286
shells/fish: fix the build with Clang-6.0

Clang-6.0 on FreeBSD 12 doesn't define __cpp_lib_make_unique.  Patch fish to
key off of the value of __cplusplus instead.

PR:		225456
Reported by:	pkg-fallout
Reviewed by:	jbeich, dim
Differential Revision:	https://reviews.freebsd.org/D14058

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