app-crypt/rhash: Fix triplet issues and restore fbsd/macos keywords

I was waiting for upstream to release the fix but that is taking a
while so I've patched it.

Closes: https://bugs.gentoo.org/651334
Package-Manager: Portage-2.3.45, Repoman-2.3.10

app-crypt/rhash/files/darwin-triplet.patch

@@ -0,0 +1,23 @@
+From 35a830d1968465e4ecb079273f032b754bac6c66 Mon Sep 17 00:00:00 2001
+From: James Le Cuirot <chewi@gentoo.org>
+Date: Sun, 25 Mar 2018 17:40:49 +0100
+Subject: [PATCH] configure: Add target OS clause for Darwin
+
+These triplets can also have a version number suffix, for example,
+x86_64-apple-darwin16.
+---
+ configure | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/configure b/configure
+index 5b6b710..2d8ac42 100755
+--- a/configure
++++ b/configure
+@@ -410,6 +410,7 @@ else
+       amigaos) TARGET_OS=AmigaOS ;;
+       mingw32*) TARGET_OS=MINGW32 ;;
+       wine) TARGET_OS=Wine ;;
++      darwin*) TARGET_OS=Darwin ;;
+     esac
+   }
+   TARGET_OS="UNKNOWN"

app-crypt/rhash/files/freebsd-triplet.patch

@@ -0,0 +1,23 @@
+From 14db7f9ee87e05450853ba0e1d8e83cc34aef3e4 Mon Sep 17 00:00:00 2001
+From: James Le Cuirot <chewi@aura-online.co.uk>
+Date: Sat, 24 Mar 2018 13:51:56 +0000
+Subject: [PATCH] configure: Match FreeBSD triplets with versions
+
+Triplets such as x86_64-unknown-freebsd11.1 are common.
+---
+ configure | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure b/configure
+index 8ebb929..5b6b710 100755
+--- a/configure
++++ b/configure
+@@ -398,7 +398,7 @@ else
+     part=$(echo $BUILD_TARGET | cut -d '-' -f $component)
+     case "$(echo $part | tr '[A-Z]' '[a-z]')" in
+       linux) TARGET_OS=Linux ;;
+-      freebsd) TARGET_OS=FreeBSD ;;
++      freebsd*) TARGET_OS=FreeBSD ;;
+       gnu/kfreebsd) TARGET_OS=FreeBSD ;;
+       netbsd) TARGET_OS=NetBSD ;;
+       bsd/os) TARGET_OS=BSD/OS ;;

app-crypt/rhash/rhash-1.3.6-r1.ebuild

@@ -11,7 +11,7 @@ SRC_URI="mirror://sourceforge/${PN}/${P}-src.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x64-solaris ~x86-solaris"
+KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris ~x86-solaris"
 IUSE="debug nls libressl ssl static-libs"
 
 RDEPEND="
@@ -28,6 +28,7 @@ S="${WORKDIR}/RHash-${PV}"
 PATCHES=(
 	"${FILESDIR}"/unquote-cc.patch
 	"${FILESDIR}"/${P}-no_echon.patch
+	"${FILESDIR}"/{freebsd,darwin}-triplet.patch
 )
 
 src_prepare() {