liblrdf: remove cross base from pkgconfig file

Closes: #10536 [via git-merge-pr]

srcpkgs/liblrdf/template

@@ -1,7 +1,7 @@
 # Template file for 'liblrdf'
 pkgname=liblrdf
 version=0.4.0
-revision=5
+revision=6
 build_style=gnu-configure
 hostmakedepends="automake libtool pkg-config"
 makedepends="ladspa-sdk raptor-devel"
@@ -16,6 +16,12 @@ pre_configure() {
 	autoreconf -fi
 }
 
+if [ -n "$CROSS_BUILD" ]; then
+	post_build() {
+		sed -i -e "s|${XBPS_CROSS_BASE}||" lrdf.pc
+	}
+fi
+
 liblrdf-devel_package() {
 	depends="raptor-devel ${sourcepkg}>=${version}_${revision}"
 	short_desc+=" - Development files"