monitor: Ignore "." and ".." when completing file name.

Signed-off-by: NKusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>

monitor.c

@@ -3976,6 +3976,11 @@ static void file_completion(const char *input)
         d = readdir(ffs);
         if (!d)
             break;
+
+        if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
+            continue;
+        }
+
         if (strstart(d->d_name, file_prefix, NULL)) {
             memcpy(file, input, input_path_len);
             if (input_path_len < sizeof(file))