fixed time capsule mount timeout

Set the volume_open timeout to 20 seconds to allow an idle time
capsule disk to spin up.

Bugs.txt

@@ -3,9 +3,6 @@ These are known bugs in afpfs-ng 0.8:
 
 - this code definitely needs more testing...
 
-- mounting a time capsule can result in a timeout while the disk starts spinning.
-  (mine takes more than 10 seconds to spin up). Retrying right after always succeeds.
-
 - if afpfsd isnt' running, and you run an 'afp_client exit', it restarts it
   and then kills it
 

include/afpfs-ng/dsi.h

@@ -30,6 +30,9 @@ int dsi_recv(struct afp_server * server);
 #define DSI_BLOCK_TIMEOUT -1
 #define DSI_DONT_WAIT 0
 #define DSI_DEFAULT_TIMEOUT 5
+//a spun down time capsule can take up to 20 secs to
+//wake up and reply to a mount request
+#define DSI_OPENVOLUME_TIMEOUT 20
 
 
 #endif

lib/proto_volume.c

@@ -184,7 +184,7 @@ int afp_volopen(struct afp_volume * volume,
 	}
 
 	ret=dsi_send(volume->server, (char *) msg,len,
-		DSI_DEFAULT_TIMEOUT,afpOpenVol,(void *) &volume);
+		DSI_OPENVOLUME_TIMEOUT,afpOpenVol,(void *) &volume);
 	free(msg);
 	return ret;