net-analyzer/ifstatus: Fixed compilation with gcc-6 (bug #594510).

Thanks to Peter Levine for providing the patch.
Also bumped ebuild to EAPI-6.

Package-Manager: Portage-2.3.5, Repoman-2.3.2

net-analyzer/ifstatus/files/ifstatus-1.1.0-gcc6.patch

@@ -0,0 +1,12 @@
+--- ifstatus/Interface.h.old	2016-09-27 03:52:02.063811332 -0400
++++ ifstatus/Interface.h	2016-09-27 03:53:33.305880857 -0400
+@@ -57,7 +57,8 @@
+ 
+ 	InterfaceData & operator=(InterfaceData & rInterfaceData);
+ 	InterfaceData operator-(InterfaceData & rInterfaceData);
+-	
++	InterfaceData & operator=(InterfaceData && rInterfaceData) = default;
++	InterfaceData(const InterfaceData&) = default;
+ private:
+ 
+ 	unsigned long long m_ullReceived[eTotalTypes];

net-analyzer/ifstatus/ifstatus-1.1.0-r1.ebuild

@@ -1,7 +1,7 @@
-# Copyright 1999-2014 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=5
+EAPI=6
 inherit eutils toolchain-funcs
 
 KEYWORDS="amd64 arm ~ppc x86"
@@ -12,7 +12,7 @@ SRC_URI="mirror://sourceforge/${PN}/${PN}-v${PV}.tar.gz"
 LICENSE="GPL-2"
 SLOT="0"
 
-RDEPEND=">=sys-libs/ncurses-4.2"
+RDEPEND=">=sys-libs/ncurses-4.2:0="
 DEPEND="
 	${RDEPEND}
 	virtual/pkgconfig
@@ -20,9 +20,14 @@ DEPEND="
 
 S="${WORKDIR}/${PN}"
 
+PATCHES=(
+	"${FILESDIR}/${P}-gcc43.patch"
+	"${FILESDIR}/${P}-tinfo.patch"
+	"${FILESDIR}/${P}-gcc6.patch"
+)
+
 src_prepare() {
-	epatch "${FILESDIR}/${P}-gcc43.patch"
-	epatch "${FILESDIR}/${P}-tinfo.patch"
+	default
 	tc-export CXX PKG_CONFIG
 }