dev-perl/Text-Diff: add alpha keyword

Gentoo-Bug: 570280

Package-Manager: portage-2.2.27
diff --git a/dev-perl/Text-Diff/Text-Diff-1.430.0.ebuild b/dev-perl/Text-Diff/Text-Diff-1.430.0.ebuild
index 0fbcd7e..b741e64 100644
--- a/dev-perl/Text-Diff/Text-Diff-1.430.0.ebuild
+++ b/dev-perl/Text-Diff/Text-Diff-1.430.0.ebuild
@@ -11,7 +11,7 @@
 DESCRIPTION="Perform diffs on files and record sets"
 
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm hppa ~ia64 ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~sparc-solaris"
+KEYWORDS="alpha ~amd64 ~arm hppa ~ia64 ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~sparc-solaris"
 IUSE=""
 
 RDEPEND="