sci-chemistry/molden: Fix build with gcc >= 8, create desktop entry

Bug: https://bugs.gentoo.org/665800
Package-Manager: Portage-2.3.79, Repoman-2.3.18
Signed-off-by: Pacho Ramos <pacho@gentoo.org>

sci-chemistry/molden/files/molden-5.5-gcc8.patch

@@ -0,0 +1,9 @@
+--- a/rdchx.f	2016-01-25 17:56:49.000000000 +0600
++++ b/rdchx.f	2018-08-24 16:51:14.000000000 +0700
+@@ -6004,5 +6004,5 @@
+       implicit double precision (a-h,p-z),integer (i-n),logical (o)
+       parameter (mxcon=10)
+-      dimension iconn(mxcon+1,*),icnn(mxcon+1)
++      dimension iconn(mxcon+1,*),icnn(*)
+ 
+       ibnds = 0

sci-chemistry/molden/molden-5.5.ebuild

@@ -1,9 +1,8 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
-
-inherit eutils fortran-2 flag-o-matic toolchain-funcs
+inherit desktop fortran-2 flag-o-matic toolchain-funcs
 
 MY_P="${PN}${PV}"
 
@@ -21,7 +20,8 @@ RDEPEND="
 		virtual/glu
 	opengl? (
 		media-libs/freeglut
-		virtual/opengl )"
+		virtual/opengl )
+"
 DEPEND="${RDEPEND}
 	x11-misc/gccmakedep
 	app-editors/vim"
@@ -34,6 +34,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-5.0-overflow.patch
 	"${FILESDIR}"/${PN}-4.8-ldflags.patch
 	"${FILESDIR}"/${PN}-4.7-implicit-dec.patch
+	"${FILESDIR}"/${PN}-5.5-gcc8.patch
 )
 
 src_prepare() {
@@ -67,6 +68,8 @@ src_compile() {
 
 src_install() {
 	dobin ${PN} g${PN} $(usex opengl ${PN}ogl "")
+	doicon gmolden.png
+	make_desktop_entry gmolden MOLDEN gmolden.png
 
 	dodoc HISTORY README REGISTER
 	cd doc || die