app-text/referencer: remove unnecessary := subslot operator on poppler

Per poppler's metadata.xml, the subslot reflects ABI compatibility of
libpoppler.so only, not libpoppler-{glib,qt4,cpp}.so.

Bug: https://bugs.gentoo.org/607908
Package-Manager: Portage-2.3.24, Repoman-2.3.6

diff --git a/app-text/referencer/referencer-1.2.2.ebuild b/app-text/referencer/referencer-1.2.2.ebuild
index cbd54159ff5d7dbc7bec0eb3fe7f23471539c70f..06a5922851dff307cfba0de08fc3cb3648bdae2b 100644 (file)
--- a/app-text/referencer/referencer-1.2.2.ebuild
+++ b/app-text/referencer/referencer-1.2.2.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -17,7 +17,7 @@ IUSE=""
 KEYWORDS="~amd64 ~x86"
 
 RDEPEND="
-       >=app-text/poppler-0.12.3-r3:=[cairo]
+       >=app-text/poppler-0.12.3-r3[cairo]
        >=dev-cpp/gtkmm-2.8:*
        >=dev-cpp/libglademm-2.6.0
        >=dev-cpp/gconfmm-2.14.0