net-misc/balance: modernise ebuild a bit

- Drop unnecessary declarations
- Make path for fcaps relative
- ${EROOT} prefix for path in pkg_postinst

Signed-off-by: Sam James <sam@gentoo.org>

net-misc/balance/balance-3.57-r1.ebuild

@@ -12,15 +12,11 @@ SRC_URI="http://www.inlab.de/${P}.tar.gz"
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~ppc ~x86"
-IUSE=""
-
-DEPEND=""
-RDEPEND=""
 
 PATCHES=( "${FILESDIR}"/${P}-Makefile.patch )
 
 FILECAPS=(
-	'CAP_NET_BIND_SERVICE' '/usr/sbin/balance'
+	CAP_NET_BIND_SERVICE usr/sbin/balance
 )
 
 src_prepare() {
@@ -32,12 +28,12 @@ src_prepare() {
 src_install() {
 	default
 
-	#autocreated on program start, if missing
+	# Autocreated on program start, if missing
 	rm -rv "${ED}/var/run" || die
 }
 
 pkg_postinst() {
 	fcaps_pkg_postinst
 	elog "To run as non-root, be sure to have rendezvous directory created"
-	elog "with either 'mkdir -m 01777 /var/run/balance' or using tmpfiles."
+	elog "with either 'mkdir -m 01777 ${EROOT}/var/run/balance' or using tmpfiles."
 }