pingus: fix loads of host contamination warnings

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>

recipes-games/pingus/pingus_0.7.6.bb

@@ -25,7 +25,7 @@ do_install() {
 	install -d ${D}${datadir}/pixmaps
 	install -d ${D}${datadir}/applications
 	install -m 0644 ${WORKDIR}/pingus.png ${D}${datadir}/pixmaps
-	cp -a ${S}/data ${D}/${datadir}/pingus
+	cp -dR ${S}/data ${D}/${datadir}/pingus
 	install -m 0644 ${WORKDIR}/pingus.desktop ${D}${datadir}/applications
 	install -m 0755 ${S}/build/pingus ${D}${bindir}/pingus
 }