File libcgroup-print_to_perror.patch of Package libcgroup1

--- libcgroup-0.32.1/cgrulesengd.c.old	2008-11-05 12:22:07.324649000 +0100
+++ libcgroup-0.32.1/cgrulesengd.c	2008-11-05 12:58:40.988788000 +0100
@@ -283,7 +283,7 @@
 	 */
 	sk_nl = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
 	if (sk_nl == -1) {
-		printf("socket sk_nl error");
+		perror("socket sk_nl error");
 		return rc;
 	}
 
@@ -299,14 +299,14 @@
 
 	err = bind(sk_nl, (struct sockaddr *)&my_nla, sizeof(my_nla));
 	if (err == -1) {
-		printf("binding sk_nl error");
+		perror("binding sk_nl error");
 		goto close_and_exit;
 	}
 
 	nl_hdr = (struct nlmsghdr *)buff;
 	cn_hdr = (struct cn_msg *)NLMSG_DATA(nl_hdr);
 	mcop_msg = (enum proc_cn_mcast_op*)&cn_hdr->data[0];
-	printf("sending proc connector: PROC_CN_MCAST_LISTEN... ");
+	puts("sending proc connector: PROC_CN_MCAST_LISTEN... ");
 	memset(buff, 0, sizeof(buff));
 	*mcop_msg = PROC_CN_MCAST_LISTEN;
 
@@ -326,7 +326,7 @@
 	printf("sending netlink message len=%d, cn_msg len=%d\n",
 		nl_hdr->nlmsg_len, sizeof(struct cn_msg));
 	if (send(sk_nl, nl_hdr, nl_hdr->nlmsg_len, 0) != nl_hdr->nlmsg_len) {
-		printf("failed to send proc connector mcast ctl op!\n");
+		perror("failed to send proc connector mcast ctl op!\n");
 		goto close_and_exit;
 	}
 	printf("sent\n");