lbzip2: upgraded package to upstream

Upgraded app-arch/lbzip2 for static support.

BUG=b:187782553
TEST=CQ passes

Change-Id: I3b33daa6687bb30d8faeda423e6522b79030c388
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2951084
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/app-arch/lbzip2/lbzip2-2.5_p20181227-r1.ebuild b/app-arch/lbzip2/lbzip2-2.5_p20181227-r1.ebuild
index ab11143..07b2f52 100644
--- a/app-arch/lbzip2/lbzip2-2.5_p20181227-r1.ebuild
+++ b/app-arch/lbzip2/lbzip2-2.5_p20181227-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="7"
 
-inherit autotools
+inherit autotools flag-o-matic
 
 DESCRIPTION="Parallel bzip2 utility"
 HOMEPAGE="https://github.com/kjn/lbzip2/"
@@ -12,7 +12,7 @@
 LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="*"
-IUSE="debug symlink"
+IUSE="debug static symlink"
 
 RDEPEND="symlink? ( !app-arch/pbzip2[symlink] )"
 DEPEND=""
@@ -28,6 +28,8 @@
 }
 
 src_configure() {
+	use static && append-ldflags -static
+
 	local myeconfargs=(
 		$(use_enable debug tracing)
 	)