evince: enable postscript support via libspectre.

srcpkgs/evince/evince.rshlibs

@@ -30,3 +30,4 @@ libtiff.so.5
 libevdocument3.so.4
 libSM.so.6
 libICE.so.6
+libspectre.so.1

srcpkgs/evince/template

@@ -1,7 +1,7 @@
 # Template file for 'evince'
 pkgname=evince
 version=3.4.0
-revision=1
+revision=2
 distfiles="${GNOME_SITE}/$pkgname/3.4/$pkgname-$version.tar.xz"
 build_style=gnu-configure
 configure_args="--enable-introspection --disable-schemas-compile
@@ -23,7 +23,7 @@ long_desc="
   * SyncTex support with gedit
   * comics books (cbr,cbz,cb7 and cbt)"
 
-# XXX missing packages for DVI and Postscript backends.
+# XXX missing packages for DVI  backend.
 subpackages="lib${pkgname} ${pkgname}-devel"
 gtk_iconcache_dirs="/usr/share/icons/hicolor"
 
@@ -43,6 +43,7 @@ Add_dependency build libgxps-devel
 Add_dependency build libSM-devel
 Add_dependency build libICE-devel
 Add_dependency build gtk+3-devel
+Add_dependency build libspectre-devel
 
 Add_dependency run desktop-file-utils
 Add_dependency run hicolor-icon-theme