dump: fix check for service dentries

Without the patch all files starting with "." will be ommited.
Use of strcmp() - explicit check for "." and ".." looks clearer.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>

cr-dump.c

@@ -391,7 +391,9 @@ static int dump_task_files(pid_t pid, struct cr_fdset *cr_fdset,
 		struct fd_parms p;
 		int lfd;
 
-		if (de->d_name[0] == '.')
+		if (!strcmp(de->d_name, "."))
+			continue;
+		if (!strcmp(de->d_name, ".."))
 			continue;
 		if (read_fd_params(pid, de->d_name, &p))
 			return -1;