Bug#626043: gpsk31: Add hint for loading snd_pcm_oss kernel module

[Németh Márton <nm127@freemail.hu>]

--- gpsk31-0.5/src/server-main.C.orig	2008-06-27 16:50:08.000000000 +0200
+++ gpsk31-0.5/src/server-main.C	2011-05-08 10:18:35.000000000 +0200
@@ -256,6 +256,7 @@
    if (audiofd < 0)
    {
       fprintf (stderr, "init_audio: can't open %s\n", audio_path);
+      fprintf(stderr, "Hint: you might want to try to load snd_pcm_oss kernel module\n");
       return -1;
    }