cups-filters: add missing replaces to fix upgrades due to splitting.

srcpkgs/cups-filters/template

@@ -1,7 +1,7 @@
 # Template file for 'cups-filters'
 pkgname=cups-filters
 version=1.0.58
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="--disable-static --with-rcdir=no --enable-avahi
  --with-browseremoteprotocols=DNSSD,CUPS"
@@ -34,13 +34,14 @@ post_install() {
 }
 
 libcups-filters_package() {
+	replaces="${sourcepkg}<1.0.58_2"
 	short_desc+=" - shared library"
 	pkg_install() {
 		vmove usr/lib/*.so.*
 	}
 }
-
 libcups-filters-devel_package() {
+	replaces="${sourcepkg}<1.0.58_2"
 	short_desc+=" - development files"
 	depends="libcups-filters>=${version}_${revision}"
 	pkg_install() {