[update] shells/fish to 2.7.1

Hio!

Here is a fairly trivial update that brings fish to the latest.

The tarballs are no longer hosted on fish's site, so pull them from
github. OK?

Index: Makefile
===================================================================
RCS file: /cvs/ports/shells/fish/Makefile,v
retrieving revision 1.2
diff -u -p -r1.2 Makefile
--- Makefile 28 Dec 2017 19:57:22 -0000 1.2
+++ Makefile 1 Mar 2018 00:03:35 -0000
@@ -2,7 +2,7 @@

COMMENT = friendly interactive shell

-V = 2.7.0
+V = 2.7.1
DISTNAME = fish-$V

CATEGORIES = shells
@@ -14,7 +14,7 @@ PERMIT_PACKAGE_CDROM = Yes

WANTLIB += ${COMPILER_LIBCXX} c curses intl m pcre2-32

-MASTER_SITES = https://fishshell.com/files/$V/
+MASTER_SITES = https://github.com/fish-shell/fish-shell/releases/download/${V}/

# C++11
COMPILER = base-clang ports-gcc ports-clang
Index: distinfo
===================================================================
RCS file: /cvs/ports/shells/fish/distinfo,v
retrieving revision 1.1.1.1
diff -u -p -r1.1.1.1 distinfo
--- distinfo 16 Dec 2017 05:14:32 -0000 1.1.1.1
+++ distinfo 1 Mar 2018 00:03:35 -0000
@@ -1,2 +1,2 @@
-SHA256 (fish-2.7.0.tar.gz) = Ona3yukvn4iGPDXIMtJCf7ZggvmOkqAiA9yQC4+oe8s=
-SIZE (fish-2.7.0.tar.gz) = 5760470
+SHA256 (fish-2.7.1.tar.gz) = 5CuxnHWGNWkFpYV4GQvnkt+WD6gd417/scpaWpgfDFo=
+SIZE (fish-2.7.1.tar.gz) = 5760550

--
PGP: 0x1F81112D62A9ADCE / 3586 3350 BFEA C101 DB1A 4AF0 1F81 112D 62A9 ADCE